Home / 31,432.31-43,376.73-17,286.05

Finding the Fourth Proportional to 31,432.31, 43,376.73 and 17,286.05

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Solution

The fourth proportional to 31,432.31, 43,376.73 and 17,286.05 is: 23,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.31 : 43,376.73 = 17,286.05 : x
  2. Step 2: Convert to fraction form
    31,432.31/43,376.73 = 17,286.05/x
  3. Step 3: Cross multiply
    31,432.31x = 43,376.73 × 17,286.05
  4. Step 4: Simplify right side
    31,432.31x = 749,812,323.62
  5. Step 5: Solve for x
    x = 749,812,323.62/31,432.31
  6. Step 6: Final answer
    x = 23,854.83

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1.5x scale

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.