Home / 31,711.50-43,763.09-17,564.04

Finding the Fourth Proportional to 31,711.50, 43,763.09 and 17,564.04

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Solution

The fourth proportional to 31,711.50, 43,763.09 and 17,564.04 is: 24,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.50 : 43,763.09 = 17,564.04 : x
  2. Step 2: Convert to fraction form
    31,711.50/43,763.09 = 17,564.04/x
  3. Step 3: Cross multiply
    31,711.50x = 43,763.09 × 17,564.04
  4. Step 4: Simplify right side
    31,711.50x = 768,656,575.46
  5. Step 5: Solve for x
    x = 768,656,575.46/31,711.50
  6. Step 6: Final answer
    x = 24,239.05

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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.