Home / 31,488.12-47,217.60-11,766.24

Finding the Fourth Proportional to 31,488.12, 47,217.60 and 11,766.24

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Solution

The fourth proportional to 31,488.12, 47,217.60 and 11,766.24 is: 17,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.12 : 47,217.60 = 11,766.24 : x
  2. Step 2: Convert to fraction form
    31,488.12/47,217.60 = 11,766.24/x
  3. Step 3: Cross multiply
    31,488.12x = 47,217.60 × 11,766.24
  4. Step 4: Simplify right side
    31,488.12x = 555,573,613.82
  5. Step 5: Solve for x
    x = 555,573,613.82/31,488.12
  6. Step 6: Final answer
    x = 17,643.91

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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.