Home / 40,424.20-55,789.50-22,522.12

Finding the Fourth Proportional to 40,424.20, 55,789.50 and 22,522.12

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Solution

The fourth proportional to 40,424.20, 55,789.50 and 22,522.12 is: 31,082.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,424.20 : 55,789.50 = 22,522.12 : x
  2. Step 2: Convert to fraction form
    40,424.20/55,789.50 = 22,522.12/x
  3. Step 3: Cross multiply
    40,424.20x = 55,789.50 × 22,522.12
  4. Step 4: Simplify right side
    40,424.20x = 1,256,497,813.74
  5. Step 5: Solve for x
    x = 1,256,497,813.74/40,424.20
  6. Step 6: Final answer
    x = 31,082.81

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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.