Home / 40,184.19-55,454.10-22,278.74

Finding the Fourth Proportional to 40,184.19, 55,454.10 and 22,278.74

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Solution

The fourth proportional to 40,184.19, 55,454.10 and 22,278.74 is: 30,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,184.19 : 55,454.10 = 22,278.74 : x
  2. Step 2: Convert to fraction form
    40,184.19/55,454.10 = 22,278.74/x
  3. Step 3: Cross multiply
    40,184.19x = 55,454.10 × 22,278.74
  4. Step 4: Simplify right side
    40,184.19x = 1,235,447,198.56
  5. Step 5: Solve for x
    x = 1,235,447,198.56/40,184.19
  6. Step 6: Final answer
    x = 30,744.61

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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.