Home / 40,114.46-55,358.39-22,209.76

Finding the Fourth Proportional to 40,114.46, 55,358.39 and 22,209.76

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Solution

The fourth proportional to 40,114.46, 55,358.39 and 22,209.76 is: 30,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,114.46 : 55,358.39 = 22,209.76 : x
  2. Step 2: Convert to fraction form
    40,114.46/55,358.39 = 22,209.76/x
  3. Step 3: Cross multiply
    40,114.46x = 55,358.39 × 22,209.76
  4. Step 4: Simplify right side
    40,114.46x = 1,229,496,555.89
  5. Step 5: Solve for x
    x = 1,229,496,555.89/40,114.46
  6. Step 6: Final answer
    x = 30,649.71

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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.