Home / 38,472.84-57,701.16-14,772.78

Finding the Fourth Proportional to 38,472.84, 57,701.16 and 14,772.78

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Solution

The fourth proportional to 38,472.84, 57,701.16 and 14,772.78 is: 22,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.84 : 57,701.16 = 14,772.78 : x
  2. Step 2: Convert to fraction form
    38,472.84/57,701.16 = 14,772.78/x
  3. Step 3: Cross multiply
    38,472.84x = 57,701.16 × 14,772.78
  4. Step 4: Simplify right side
    38,472.84x = 852,406,542.42
  5. Step 5: Solve for x
    x = 852,406,542.42/38,472.84
  6. Step 6: Final answer
    x = 22,156.06

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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.