Home / 31,564.20-43,553.52-17,950.80

Finding the Fourth Proportional to 31,564.20, 43,553.52 and 17,950.80

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Solution

The fourth proportional to 31,564.20, 43,553.52 and 17,950.80 is: 24,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.20 : 43,553.52 = 17,950.80 : x
  2. Step 2: Convert to fraction form
    31,564.20/43,553.52 = 17,950.80/x
  3. Step 3: Cross multiply
    31,564.20x = 43,553.52 × 17,950.80
  4. Step 4: Simplify right side
    31,564.20x = 781,820,526.82
  5. Step 5: Solve for x
    x = 781,820,526.82/31,564.20
  6. Step 6: Final answer
    x = 24,769.22

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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.