Home / 31,787.47-47,712.59-23,862.43

Finding the Fourth Proportional to 31,787.47, 47,712.59 and 23,862.43

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Solution

The fourth proportional to 31,787.47, 47,712.59 and 23,862.43 is: 35,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787.47 : 47,712.59 = 23,862.43 : x
  2. Step 2: Convert to fraction form
    31,787.47/47,712.59 = 23,862.43/x
  3. Step 3: Cross multiply
    31,787.47x = 47,712.59 × 23,862.43
  4. Step 4: Simplify right side
    31,787.47x = 1,138,537,981.12
  5. Step 5: Solve for x
    x = 1,138,537,981.12/31,787.47
  6. Step 6: Final answer
    x = 35,817.20

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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.