Home / 47,766.72-71,650.76-18,186.17

Finding the Fourth Proportional to 47,766.72, 71,650.76 and 18,186.17

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Solution

The fourth proportional to 47,766.72, 71,650.76 and 18,186.17 is: 27,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,766.72 : 71,650.76 = 18,186.17 : x
  2. Step 2: Convert to fraction form
    47,766.72/71,650.76 = 18,186.17/x
  3. Step 3: Cross multiply
    47,766.72x = 71,650.76 × 18,186.17
  4. Step 4: Simplify right side
    47,766.72x = 1,303,052,452.80
  5. Step 5: Solve for x
    x = 1,303,052,452.80/47,766.72
  6. Step 6: Final answer
    x = 27,279.50

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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.