Home / 31,272.11-43,154.71-17,474.55

Finding the Fourth Proportional to 31,272.11, 43,154.71 and 17,474.55

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Solution

The fourth proportional to 31,272.11, 43,154.71 and 17,474.55 is: 24,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.11 : 43,154.71 = 17,474.55 : x
  2. Step 2: Convert to fraction form
    31,272.11/43,154.71 = 17,474.55/x
  3. Step 3: Cross multiply
    31,272.11x = 43,154.71 × 17,474.55
  4. Step 4: Simplify right side
    31,272.11x = 754,109,137.63
  5. Step 5: Solve for x
    x = 754,109,137.63/31,272.11
  6. Step 6: Final answer
    x = 24,114.43

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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.