Home / 67,637.52-93,351.15-39,359.61

Finding the Fourth Proportional to 67,637.52, 93,351.15 and 39,359.61

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Solution

The fourth proportional to 67,637.52, 93,351.15 and 39,359.61 is: 54,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,637.52 : 93,351.15 = 39,359.61 : x
  2. Step 2: Convert to fraction form
    67,637.52/93,351.15 = 39,359.61/x
  3. Step 3: Cross multiply
    67,637.52x = 93,351.15 × 39,359.61
  4. Step 4: Simplify right side
    67,637.52x = 3,674,264,857.05
  5. Step 5: Solve for x
    x = 3,674,264,857.05/67,637.52
  6. Step 6: Final answer
    x = 54,322.88

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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.