Home / 38,995.20-58,488.48-11,293.20

Finding the Fourth Proportional to 38,995.20, 58,488.48 and 11,293.20

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Solution

The fourth proportional to 38,995.20, 58,488.48 and 11,293.20 is: 16,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,995.20 : 58,488.48 = 11,293.20 : x
  2. Step 2: Convert to fraction form
    38,995.20/58,488.48 = 11,293.20/x
  3. Step 3: Cross multiply
    38,995.20x = 58,488.48 × 11,293.20
  4. Step 4: Simplify right side
    38,995.20x = 660,522,102.34
  5. Step 5: Solve for x
    x = 660,522,102.34/38,995.20
  6. Step 6: Final answer
    x = 16,938.55

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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.