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Finding the Fourth Proportional to 40,329, 55,650.84 and 22,422.90

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Solution

The fourth proportional to 40,329, 55,650.84 and 22,422.90 is: 30,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,329 : 55,650.84 = 22,422.90 : x
  2. Step 2: Convert to fraction form
    40,329/55,650.84 = 22,422.90/x
  3. Step 3: Cross multiply
    40,329x = 55,650.84 × 22,422.90
  4. Step 4: Simplify right side
    40,329x = 1,247,853,220.24
  5. Step 5: Solve for x
    x = 1,247,853,220.24/40,329
  6. Step 6: Final answer
    x = 30,941.83

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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.