Home / 77,217.44-115,815.20-29,854.85

Finding the Fourth Proportional to 77,217.44, 115,815.20 and 29,854.85

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Solution

The fourth proportional to 77,217.44, 115,815.20 and 29,854.85 is: 44,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,217.44 : 115,815.20 = 29,854.85 : x
  2. Step 2: Convert to fraction form
    77,217.44/115,815.20 = 29,854.85/x
  3. Step 3: Cross multiply
    77,217.44x = 115,815.20 × 29,854.85
  4. Step 4: Simplify right side
    77,217.44x = 3,457,644,695.37
  5. Step 5: Solve for x
    x = 3,457,644,695.37/77,217.44
  6. Step 6: Final answer
    x = 44,778.03

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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.