Home / 40,687.08-56,150.10-22,778.52

Finding the Fourth Proportional to 40,687.08, 56,150.10 and 22,778.52

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Solution

The fourth proportional to 40,687.08, 56,150.10 and 22,778.52 is: 31,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,687.08 : 56,150.10 = 22,778.52 : x
  2. Step 2: Convert to fraction form
    40,687.08/56,150.10 = 22,778.52/x
  3. Step 3: Cross multiply
    40,687.08x = 56,150.10 × 22,778.52
  4. Step 4: Simplify right side
    40,687.08x = 1,279,016,175.85
  5. Step 5: Solve for x
    x = 1,279,016,175.85/40,687.08
  6. Step 6: Final answer
    x = 31,435.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.