Home / 31,532.59-43,514.76-17,385.43

Finding the Fourth Proportional to 31,532.59, 43,514.76 and 17,385.43

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Solution

The fourth proportional to 31,532.59, 43,514.76 and 17,385.43 is: 23,991.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.59 : 43,514.76 = 17,385.43 : x
  2. Step 2: Convert to fraction form
    31,532.59/43,514.76 = 17,385.43/x
  3. Step 3: Cross multiply
    31,532.59x = 43,514.76 × 17,385.43
  4. Step 4: Simplify right side
    31,532.59x = 756,522,803.14
  5. Step 5: Solve for x
    x = 756,522,803.14/31,532.59
  6. Step 6: Final answer
    x = 23,991.78

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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.