Home / 31,399.13-43,330.80-17,252.88

Finding the Fourth Proportional to 31,399.13, 43,330.80 and 17,252.88

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Solution

The fourth proportional to 31,399.13, 43,330.80 and 17,252.88 is: 23,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.13 : 43,330.80 = 17,252.88 : x
  2. Step 2: Convert to fraction form
    31,399.13/43,330.80 = 17,252.88/x
  3. Step 3: Cross multiply
    31,399.13x = 43,330.80 × 17,252.88
  4. Step 4: Simplify right side
    31,399.13x = 747,581,092.70
  5. Step 5: Solve for x
    x = 747,581,092.70/31,399.13
  6. Step 6: Final answer
    x = 23,808.98

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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.