Home / 31,553.07-43,543.27-17,405.88

Finding the Fourth Proportional to 31,553.07, 43,543.27 and 17,405.88

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Solution

The fourth proportional to 31,553.07, 43,543.27 and 17,405.88 is: 24,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.07 : 43,543.27 = 17,405.88 : x
  2. Step 2: Convert to fraction form
    31,553.07/43,543.27 = 17,405.88/x
  3. Step 3: Cross multiply
    31,553.07x = 43,543.27 × 17,405.88
  4. Step 4: Simplify right side
    31,553.07x = 757,908,932.43
  5. Step 5: Solve for x
    x = 757,908,932.43/31,553.07
  6. Step 6: Final answer
    x = 24,020.13

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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.