Home / 64,701.28-89,287.13-37,838.71

Finding the Fourth Proportional to 64,701.28, 89,287.13 and 37,838.71

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Solution

The fourth proportional to 64,701.28, 89,287.13 and 37,838.71 is: 52,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,701.28 : 89,287.13 = 37,838.71 : x
  2. Step 2: Convert to fraction form
    64,701.28/89,287.13 = 37,838.71/x
  3. Step 3: Cross multiply
    64,701.28x = 89,287.13 × 37,838.71
  4. Step 4: Simplify right side
    64,701.28x = 3,378,509,183.17
  5. Step 5: Solve for x
    x = 3,378,509,183.17/64,701.28
  6. Step 6: Final answer
    x = 52,217.04

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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.