Home / 40,184.64-55,454.64-22,279.56

Finding the Fourth Proportional to 40,184.64, 55,454.64 and 22,279.56

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Solution

The fourth proportional to 40,184.64, 55,454.64 and 22,279.56 is: 30,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,184.64 : 55,454.64 = 22,279.56 : x
  2. Step 2: Convert to fraction form
    40,184.64/55,454.64 = 22,279.56/x
  3. Step 3: Cross multiply
    40,184.64x = 55,454.64 × 22,279.56
  4. Step 4: Simplify right side
    40,184.64x = 1,235,504,979.16
  5. Step 5: Solve for x
    x = 1,235,504,979.16/40,184.64
  6. Step 6: Final answer
    x = 30,745.70

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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.