Home / 40,494.12-55,879.20-22,343.76

Finding the Fourth Proportional to 40,494.12, 55,879.20 and 22,343.76

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Solution

The fourth proportional to 40,494.12, 55,879.20 and 22,343.76 is: 30,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,494.12 : 55,879.20 = 22,343.76 : x
  2. Step 2: Convert to fraction form
    40,494.12/55,879.20 = 22,343.76/x
  3. Step 3: Cross multiply
    40,494.12x = 55,879.20 × 22,343.76
  4. Step 4: Simplify right side
    40,494.12x = 1,248,551,433.79
  5. Step 5: Solve for x
    x = 1,248,551,433.79/40,494.12
  6. Step 6: Final answer
    x = 30,832.91

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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.