Home / 31,182.64-43,031.38-17,753.70

Finding the Fourth Proportional to 31,182.64, 43,031.38 and 17,753.70

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Solution

The fourth proportional to 31,182.64, 43,031.38 and 17,753.70 is: 24,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,182.64 : 43,031.38 = 17,753.70 : x
  2. Step 2: Convert to fraction form
    31,182.64/43,031.38 = 17,753.70/x
  3. Step 3: Cross multiply
    31,182.64x = 43,031.38 × 17,753.70
  4. Step 4: Simplify right side
    31,182.64x = 763,966,211.11
  5. Step 5: Solve for x
    x = 763,966,211.11/31,182.64
  6. Step 6: Final answer
    x = 24,499.73

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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.