Home / 40,123.46-55,388.25-26,519.69

Finding the Fourth Proportional to 40,123.46, 55,388.25 and 26,519.69

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Solution

The fourth proportional to 40,123.46, 55,388.25 and 26,519.69 is: 36,608.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.46 : 55,388.25 = 26,519.69 : x
  2. Step 2: Convert to fraction form
    40,123.46/55,388.25 = 26,519.69/x
  3. Step 3: Cross multiply
    40,123.46x = 55,388.25 × 26,519.69
  4. Step 4: Simplify right side
    40,123.46x = 1,468,879,358.11
  5. Step 5: Solve for x
    x = 1,468,879,358.11/40,123.46
  6. Step 6: Final answer
    x = 36,608.99

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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.