Home / 40,181.76-55,451.28-22,277.04

Finding the Fourth Proportional to 40,181.76, 55,451.28 and 22,277.04

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Solution

The fourth proportional to 40,181.76, 55,451.28 and 22,277.04 is: 30,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.76 : 55,451.28 = 22,277.04 : x
  2. Step 2: Convert to fraction form
    40,181.76/55,451.28 = 22,277.04/x
  3. Step 3: Cross multiply
    40,181.76x = 55,451.28 × 22,277.04
  4. Step 4: Simplify right side
    40,181.76x = 1,235,290,382.61
  5. Step 5: Solve for x
    x = 1,235,290,382.61/40,181.76
  6. Step 6: Final answer
    x = 30,742.57

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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.