Home / 40,069.18-55,295.22-22,163.86

Finding the Fourth Proportional to 40,069.18, 55,295.22 and 22,163.86

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Solution

The fourth proportional to 40,069.18, 55,295.22 and 22,163.86 is: 30,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,069.18 : 55,295.22 = 22,163.86 : x
  2. Step 2: Convert to fraction form
    40,069.18/55,295.22 = 22,163.86/x
  3. Step 3: Cross multiply
    40,069.18x = 55,295.22 × 22,163.86
  4. Step 4: Simplify right side
    40,069.18x = 1,225,555,514.75
  5. Step 5: Solve for x
    x = 1,225,555,514.75/40,069.18
  6. Step 6: Final answer
    x = 30,585.99

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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.