Home / 39,181.20-54,069.30-22,184.16

Finding the Fourth Proportional to 39,181.20, 54,069.30 and 22,184.16

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Solution

The fourth proportional to 39,181.20, 54,069.30 and 22,184.16 is: 30,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181.20 : 54,069.30 = 22,184.16 : x
  2. Step 2: Convert to fraction form
    39,181.20/54,069.30 = 22,184.16/x
  3. Step 3: Cross multiply
    39,181.20x = 54,069.30 × 22,184.16
  4. Step 4: Simplify right side
    39,181.20x = 1,199,482,002.29
  5. Step 5: Solve for x
    x = 1,199,482,002.29/39,181.20
  6. Step 6: Final answer
    x = 30,613.71

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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.