Home / 47,514.18-71,129.28-28,737.42

Finding the Fourth Proportional to 47,514.18, 71,129.28 and 28,737.42

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Solution

The fourth proportional to 47,514.18, 71,129.28 and 28,737.42 is: 43,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,514.18 : 71,129.28 = 28,737.42 : x
  2. Step 2: Convert to fraction form
    47,514.18/71,129.28 = 28,737.42/x
  3. Step 3: Cross multiply
    47,514.18x = 71,129.28 × 28,737.42
  4. Step 4: Simplify right side
    47,514.18x = 2,044,071,993.66
  5. Step 5: Solve for x
    x = 2,044,071,993.66/47,514.18
  6. Step 6: Final answer
    x = 43,020.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.