Home / 54,592.15-81,839.51-21,304.47

Finding the Fourth Proportional to 54,592.15, 81,839.51 and 21,304.47

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Solution

The fourth proportional to 54,592.15, 81,839.51 and 21,304.47 is: 31,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,592.15 : 81,839.51 = 21,304.47 : x
  2. Step 2: Convert to fraction form
    54,592.15/81,839.51 = 21,304.47/x
  3. Step 3: Cross multiply
    54,592.15x = 81,839.51 × 21,304.47
  4. Step 4: Simplify right side
    54,592.15x = 1,743,547,385.61
  5. Step 5: Solve for x
    x = 1,743,547,385.61/54,592.15
  6. Step 6: Final answer
    x = 31,937.69

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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.