Home / 38,514.99-57,753.05-18,763.95

Finding the Fourth Proportional to 38,514.99, 57,753.05 and 18,763.95

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Solution

The fourth proportional to 38,514.99, 57,753.05 and 18,763.95 is: 28,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,514.99 : 57,753.05 = 18,763.95 : x
  2. Step 2: Convert to fraction form
    38,514.99/57,753.05 = 18,763.95/x
  3. Step 3: Cross multiply
    38,514.99x = 57,753.05 × 18,763.95
  4. Step 4: Simplify right side
    38,514.99x = 1,083,675,248.73
  5. Step 5: Solve for x
    x = 1,083,675,248.73/38,514.99
  6. Step 6: Final answer
    x = 28,136.45

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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.