Home / 38,414.82-57,572.28-19,678.98

Finding the Fourth Proportional to 38,414.82, 57,572.28 and 19,678.98

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Solution

The fourth proportional to 38,414.82, 57,572.28 and 19,678.98 is: 29,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,414.82 : 57,572.28 = 19,678.98 : x
  2. Step 2: Convert to fraction form
    38,414.82/57,572.28 = 19,678.98/x
  3. Step 3: Cross multiply
    38,414.82x = 57,572.28 × 19,678.98
  4. Step 4: Simplify right side
    38,414.82x = 1,132,963,746.67
  5. Step 5: Solve for x
    x = 1,132,963,746.67/38,414.82
  6. Step 6: Final answer
    x = 29,492.88

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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.