Home / 38,810.20-58,239.30-15,434.20

Finding the Fourth Proportional to 38,810.20, 58,239.30 and 15,434.20

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Solution

The fourth proportional to 38,810.20, 58,239.30 and 15,434.20 is: 23,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810.20 : 58,239.30 = 15,434.20 : x
  2. Step 2: Convert to fraction form
    38,810.20/58,239.30 = 15,434.20/x
  3. Step 3: Cross multiply
    38,810.20x = 58,239.30 × 15,434.20
  4. Step 4: Simplify right side
    38,810.20x = 898,877,004.06
  5. Step 5: Solve for x
    x = 898,877,004.06/38,810.20
  6. Step 6: Final answer
    x = 23,160.84

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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.