Home / 31,539.97-47,311.17-8,166.48

Finding the Fourth Proportional to 31,539.97, 47,311.17 and 8,166.48

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Solution

The fourth proportional to 31,539.97, 47,311.17 and 8,166.48 is: 12,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.97 : 47,311.17 = 8,166.48 : x
  2. Step 2: Convert to fraction form
    31,539.97/47,311.17 = 8,166.48/x
  3. Step 3: Cross multiply
    31,539.97x = 47,311.17 × 8,166.48
  4. Step 4: Simplify right side
    31,539.97x = 386,365,723.58
  5. Step 5: Solve for x
    x = 386,365,723.58/31,539.97
  6. Step 6: Final answer
    x = 12,250.03

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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.