Home / 31,787.17-43,866.16-17,640.01

Finding the Fourth Proportional to 31,787.17, 43,866.16 and 17,640.01

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Solution

The fourth proportional to 31,787.17, 43,866.16 and 17,640.01 is: 24,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787.17 : 43,866.16 = 17,640.01 : x
  2. Step 2: Convert to fraction form
    31,787.17/43,866.16 = 17,640.01/x
  3. Step 3: Cross multiply
    31,787.17x = 43,866.16 × 17,640.01
  4. Step 4: Simplify right side
    31,787.17x = 773,799,511.79
  5. Step 5: Solve for x
    x = 773,799,511.79/31,787.17
  6. Step 6: Final answer
    x = 24,343.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.