Home / 31,545.92-43,531.80-17,398.40

Finding the Fourth Proportional to 31,545.92, 43,531.80 and 17,398.40

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Solution

The fourth proportional to 31,545.92, 43,531.80 and 17,398.40 is: 24,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.92 : 43,531.80 = 17,398.40 : x
  2. Step 2: Convert to fraction form
    31,545.92/43,531.80 = 17,398.40/x
  3. Step 3: Cross multiply
    31,545.92x = 43,531.80 × 17,398.40
  4. Step 4: Simplify right side
    31,545.92x = 757,383,669.12
  5. Step 5: Solve for x
    x = 757,383,669.12/31,545.92
  6. Step 6: Final answer
    x = 24,008.93

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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.