Home / 31,500.13-47,251.11-11,774.91

Finding the Fourth Proportional to 31,500.13, 47,251.11 and 11,774.91

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Solution

The fourth proportional to 31,500.13, 47,251.11 and 11,774.91 is: 17,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.13 : 47,251.11 = 11,774.91 : x
  2. Step 2: Convert to fraction form
    31,500.13/47,251.11 = 11,774.91/x
  3. Step 3: Cross multiply
    31,500.13x = 47,251.11 × 11,774.91
  4. Step 4: Simplify right side
    31,500.13x = 556,377,567.65
  5. Step 5: Solve for x
    x = 556,377,567.65/31,500.13
  6. Step 6: Final answer
    x = 17,662.71

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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.