Home / 40,165.20-60,010.20-38,787.12

Finding the Fourth Proportional to 40,165.20, 60,010.20 and 38,787.12

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Solution

The fourth proportional to 40,165.20, 60,010.20 and 38,787.12 is: 57,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.20 : 60,010.20 = 38,787.12 : x
  2. Step 2: Convert to fraction form
    40,165.20/60,010.20 = 38,787.12/x
  3. Step 3: Cross multiply
    40,165.20x = 60,010.20 × 38,787.12
  4. Step 4: Simplify right side
    40,165.20x = 2,327,622,828.62
  5. Step 5: Solve for x
    x = 2,327,622,828.62/40,165.20
  6. Step 6: Final answer
    x = 57,951.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.