Home / 31,498.13-47,248.11-11,772.91

Finding the Fourth Proportional to 31,498.13, 47,248.11 and 11,772.91

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Solution

The fourth proportional to 31,498.13, 47,248.11 and 11,772.91 is: 17,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,498.13 : 47,248.11 = 11,772.91 : x
  2. Step 2: Convert to fraction form
    31,498.13/47,248.11 = 11,772.91/x
  3. Step 3: Cross multiply
    31,498.13x = 47,248.11 × 11,772.91
  4. Step 4: Simplify right side
    31,498.13x = 556,247,805.76
  5. Step 5: Solve for x
    x = 556,247,805.76/31,498.13
  6. Step 6: Final answer
    x = 17,659.71

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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.