Home / 52,121.91-71,926.30-28,248.08

Finding the Fourth Proportional to 52,121.91, 71,926.30 and 28,248.08

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Solution

The fourth proportional to 52,121.91, 71,926.30 and 28,248.08 is: 38,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121.91 : 71,926.30 = 28,248.08 : x
  2. Step 2: Convert to fraction form
    52,121.91/71,926.30 = 28,248.08/x
  3. Step 3: Cross multiply
    52,121.91x = 71,926.30 × 28,248.08
  4. Step 4: Simplify right side
    52,121.91x = 2,031,779,516.87
  5. Step 5: Solve for x
    x = 2,031,779,516.87/52,121.91
  6. Step 6: Final answer
    x = 38,981.29

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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.