Home / 67,418.28-93,034.10-38,717.75

Finding the Fourth Proportional to 67,418.28, 93,034.10 and 38,717.75

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Solution

The fourth proportional to 67,418.28, 93,034.10 and 38,717.75 is: 53,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,418.28 : 93,034.10 = 38,717.75 : x
  2. Step 2: Convert to fraction form
    67,418.28/93,034.10 = 38,717.75/x
  3. Step 3: Cross multiply
    67,418.28x = 93,034.10 × 38,717.75
  4. Step 4: Simplify right side
    67,418.28x = 3,602,071,025.28
  5. Step 5: Solve for x
    x = 3,602,071,025.28/67,418.28
  6. Step 6: Final answer
    x = 53,428.70

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1.5x scale

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.