Home / 63,428.38-87,531.16-38,277.88

Finding the Fourth Proportional to 63,428.38, 87,531.16 and 38,277.88

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Solution

The fourth proportional to 63,428.38, 87,531.16 and 38,277.88 is: 52,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,428.38 : 87,531.16 = 38,277.88 : x
  2. Step 2: Convert to fraction form
    63,428.38/87,531.16 = 38,277.88/x
  3. Step 3: Cross multiply
    63,428.38x = 87,531.16 × 38,277.88
  4. Step 4: Simplify right side
    63,428.38x = 3,350,507,238.74
  5. Step 5: Solve for x
    x = 3,350,507,238.74/63,428.38
  6. Step 6: Final answer
    x = 52,823.47

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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.