Home / 63,426.38-87,528.40-38,275.88

Finding the Fourth Proportional to 63,426.38, 87,528.40 and 38,275.88

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Solution

The fourth proportional to 63,426.38, 87,528.40 and 38,275.88 is: 52,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,426.38 : 87,528.40 = 38,275.88 : x
  2. Step 2: Convert to fraction form
    63,426.38/87,528.40 = 38,275.88/x
  3. Step 3: Cross multiply
    63,426.38x = 87,528.40 × 38,275.88
  4. Step 4: Simplify right side
    63,426.38x = 3,350,226,001.66
  5. Step 5: Solve for x
    x = 3,350,226,001.66/63,426.38
  6. Step 6: Final answer
    x = 52,820.71

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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.