Home / 31,691.10-47,478.15-27,483.86

Finding the Fourth Proportional to 31,691.10, 47,478.15 and 27,483.86

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Solution

The fourth proportional to 31,691.10, 47,478.15 and 27,483.86 is: 41,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691.10 : 47,478.15 = 27,483.86 : x
  2. Step 2: Convert to fraction form
    31,691.10/47,478.15 = 27,483.86/x
  3. Step 3: Cross multiply
    31,691.10x = 47,478.15 × 27,483.86
  4. Step 4: Simplify right side
    31,691.10x = 1,304,882,679.29
  5. Step 5: Solve for x
    x = 1,304,882,679.29/31,691.10
  6. Step 6: Final answer
    x = 41,175.05

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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.