Home / 31,399.04-43,331.52-17,786

Finding the Fourth Proportional to 31,399.04, 43,331.52 and 17,786

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Solution

The fourth proportional to 31,399.04, 43,331.52 and 17,786 is: 24,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.04 : 43,331.52 = 17,786 : x
  2. Step 2: Convert to fraction form
    31,399.04/43,331.52 = 17,786/x
  3. Step 3: Cross multiply
    31,399.04x = 43,331.52 × 17,786
  4. Step 4: Simplify right side
    31,399.04x = 770,694,414.72
  5. Step 5: Solve for x
    x = 770,694,414.72/31,399.04
  6. Step 6: Final answer
    x = 24,545.16

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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.