Home / 40,123.92-55,388.90-26,520.16

Finding the Fourth Proportional to 40,123.92, 55,388.90 and 26,520.16

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Solution

The fourth proportional to 40,123.92, 55,388.90 and 26,520.16 is: 36,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.92 : 55,388.90 = 26,520.16 : x
  2. Step 2: Convert to fraction form
    40,123.92/55,388.90 = 26,520.16/x
  3. Step 3: Cross multiply
    40,123.92x = 55,388.90 × 26,520.16
  4. Step 4: Simplify right side
    40,123.92x = 1,468,922,372.73
  5. Step 5: Solve for x
    x = 1,468,922,372.73/40,123.92
  6. Step 6: Final answer
    x = 36,609.64

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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.