Home / 38,470.43-57,731.42-13,510.58

Finding the Fourth Proportional to 38,470.43, 57,731.42 and 13,510.58

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Solution

The fourth proportional to 38,470.43, 57,731.42 and 13,510.58 is: 20,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.43 : 57,731.42 = 13,510.58 : x
  2. Step 2: Convert to fraction form
    38,470.43/57,731.42 = 13,510.58/x
  3. Step 3: Cross multiply
    38,470.43x = 57,731.42 × 13,510.58
  4. Step 4: Simplify right side
    38,470.43x = 779,984,713.54
  5. Step 5: Solve for x
    x = 779,984,713.54/38,470.43
  6. Step 6: Final answer
    x = 20,274.91

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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.