Home / 31,532.56-43,514.10-17,385.04

Finding the Fourth Proportional to 31,532.56, 43,514.10 and 17,385.04

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Solution

The fourth proportional to 31,532.56, 43,514.10 and 17,385.04 is: 23,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.56 : 43,514.10 = 17,385.04 : x
  2. Step 2: Convert to fraction form
    31,532.56/43,514.10 = 17,385.04/x
  3. Step 3: Cross multiply
    31,532.56x = 43,514.10 × 17,385.04
  4. Step 4: Simplify right side
    31,532.56x = 756,494,369.06
  5. Step 5: Solve for x
    x = 756,494,369.06/31,532.56
  6. Step 6: Final answer
    x = 23,990.90

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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.