Home / 54,688.50-75,470.18-29,538

Finding the Fourth Proportional to 54,688.50, 75,470.18 and 29,538

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Solution

The fourth proportional to 54,688.50, 75,470.18 and 29,538 is: 40,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,688.50 : 75,470.18 = 29,538 : x
  2. Step 2: Convert to fraction form
    54,688.50/75,470.18 = 29,538/x
  3. Step 3: Cross multiply
    54,688.50x = 75,470.18 × 29,538
  4. Step 4: Simplify right side
    54,688.50x = 2,229,238,195.30
  5. Step 5: Solve for x
    x = 2,229,238,195.30/54,688.50
  6. Step 6: Final answer
    x = 40,762.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.