Home / 31,251.52-43,082.26-22,283.47

Finding the Fourth Proportional to 31,251.52, 43,082.26 and 22,283.47

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Solution

The fourth proportional to 31,251.52, 43,082.26 and 22,283.47 is: 30,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.52 : 43,082.26 = 22,283.47 : x
  2. Step 2: Convert to fraction form
    31,251.52/43,082.26 = 22,283.47/x
  3. Step 3: Cross multiply
    31,251.52x = 43,082.26 × 22,283.47
  4. Step 4: Simplify right side
    31,251.52x = 960,022,248.24
  5. Step 5: Solve for x
    x = 960,022,248.24/31,251.52
  6. Step 6: Final answer
    x = 30,719.22

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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.