Home / 40,184.56-55,454.42-22,279.57

Finding the Fourth Proportional to 40,184.56, 55,454.42 and 22,279.57

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Solution

The fourth proportional to 40,184.56, 55,454.42 and 22,279.57 is: 30,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,184.56 : 55,454.42 = 22,279.57 : x
  2. Step 2: Convert to fraction form
    40,184.56/55,454.42 = 22,279.57/x
  3. Step 3: Cross multiply
    40,184.56x = 55,454.42 × 22,279.57
  4. Step 4: Simplify right side
    40,184.56x = 1,235,500,549.26
  5. Step 5: Solve for x
    x = 1,235,500,549.26/40,184.56
  6. Step 6: Final answer
    x = 30,745.66

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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.