Home / 31,972.22-44,120.79-18,542.62

Finding the Fourth Proportional to 31,972.22, 44,120.79 and 18,542.62

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Solution

The fourth proportional to 31,972.22, 44,120.79 and 18,542.62 is: 25,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.22 : 44,120.79 = 18,542.62 : x
  2. Step 2: Convert to fraction form
    31,972.22/44,120.79 = 18,542.62/x
  3. Step 3: Cross multiply
    31,972.22x = 44,120.79 × 18,542.62
  4. Step 4: Simplify right side
    31,972.22x = 818,114,822.47
  5. Step 5: Solve for x
    x = 818,114,822.47/31,972.22
  6. Step 6: Final answer
    x = 25,588.30

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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.