Home / 31,553.11-43,542.59-17,405.95

Finding the Fourth Proportional to 31,553.11, 43,542.59 and 17,405.95

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Solution

The fourth proportional to 31,553.11, 43,542.59 and 17,405.95 is: 24,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.11 : 43,542.59 = 17,405.95 : x
  2. Step 2: Convert to fraction form
    31,553.11/43,542.59 = 17,405.95/x
  3. Step 3: Cross multiply
    31,553.11x = 43,542.59 × 17,405.95
  4. Step 4: Simplify right side
    31,553.11x = 757,899,926.70
  5. Step 5: Solve for x
    x = 757,899,926.70/31,553.11
  6. Step 6: Final answer
    x = 24,019.82

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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.