Home / 31,372.84-47,035.08-27,207.12

Finding the Fourth Proportional to 31,372.84, 47,035.08 and 27,207.12

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Solution

The fourth proportional to 31,372.84, 47,035.08 and 27,207.12 is: 40,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.84 : 47,035.08 = 27,207.12 : x
  2. Step 2: Convert to fraction form
    31,372.84/47,035.08 = 27,207.12/x
  3. Step 3: Cross multiply
    31,372.84x = 47,035.08 × 27,207.12
  4. Step 4: Simplify right side
    31,372.84x = 1,279,689,065.77
  5. Step 5: Solve for x
    x = 1,279,689,065.77/31,372.84
  6. Step 6: Final answer
    x = 40,789.71

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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.