Home / 31,787.10-43,864.29-17,639.96

Finding the Fourth Proportional to 31,787.10, 43,864.29 and 17,639.96

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Solution

The fourth proportional to 31,787.10, 43,864.29 and 17,639.96 is: 24,342.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787.10 : 43,864.29 = 17,639.96 : x
  2. Step 2: Convert to fraction form
    31,787.10/43,864.29 = 17,639.96/x
  3. Step 3: Cross multiply
    31,787.10x = 43,864.29 × 17,639.96
  4. Step 4: Simplify right side
    31,787.10x = 773,764,101.71
  5. Step 5: Solve for x
    x = 773,764,101.71/31,787.10
  6. Step 6: Final answer
    x = 24,342.08

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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.