Home / 39,207,330.30-58,810,995.45-20,031,714.30

Finding the Fourth Proportional to 39,207,330.30, 58,810,995.45 and 20,031,714.30

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Solution

The fourth proportional to 39,207,330.30, 58,810,995.45 and 20,031,714.30 is: 30,047,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,207,330.30 : 58,810,995.45 = 20,031,714.30 : x
  2. Step 2: Convert to fraction form
    39,207,330.30/58,810,995.45 = 20,031,714.30/x
  3. Step 3: Cross multiply
    39,207,330.30x = 58,810,995.45 × 20,031,714.30
  4. Step 4: Simplify right side
    39,207,330.30x = 1,178,085,058,553,000
  5. Step 5: Solve for x
    x = 1,178,085,058,553,000/39,207,330.30
  6. Step 6: Final answer
    x = 30,047,571.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.