Home / 31,814.56-47,708.52-12,082.24

Finding the Fourth Proportional to 31,814.56, 47,708.52 and 12,082.24

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Solution

The fourth proportional to 31,814.56, 47,708.52 and 12,082.24 is: 18,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.56 : 47,708.52 = 12,082.24 : x
  2. Step 2: Convert to fraction form
    31,814.56/47,708.52 = 12,082.24/x
  3. Step 3: Cross multiply
    31,814.56x = 47,708.52 × 12,082.24
  4. Step 4: Simplify right side
    31,814.56x = 576,425,788.68
  5. Step 5: Solve for x
    x = 576,425,788.68/31,814.56
  6. Step 6: Final answer
    x = 18,118.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.