Home / 31,543.28-43,529.70-17,397.02

Finding the Fourth Proportional to 31,543.28, 43,529.70 and 17,397.02

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Solution

The fourth proportional to 31,543.28, 43,529.70 and 17,397.02 is: 24,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,543.28 : 43,529.70 = 17,397.02 : x
  2. Step 2: Convert to fraction form
    31,543.28/43,529.70 = 17,397.02/x
  3. Step 3: Cross multiply
    31,543.28x = 43,529.70 × 17,397.02
  4. Step 4: Simplify right side
    31,543.28x = 757,287,061.49
  5. Step 5: Solve for x
    x = 757,287,061.49/31,543.28
  6. Step 6: Final answer
    x = 24,007.87

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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.