Home / 40,182.18-55,452.75-22,276.12

Finding the Fourth Proportional to 40,182.18, 55,452.75 and 22,276.12

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Solution

The fourth proportional to 40,182.18, 55,452.75 and 22,276.12 is: 30,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,182.18 : 55,452.75 = 22,276.12 : x
  2. Step 2: Convert to fraction form
    40,182.18/55,452.75 = 22,276.12/x
  3. Step 3: Cross multiply
    40,182.18x = 55,452.75 × 22,276.12
  4. Step 4: Simplify right side
    40,182.18x = 1,235,271,974.70
  5. Step 5: Solve for x
    x = 1,235,271,974.70/40,182.18
  6. Step 6: Final answer
    x = 30,741.79

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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.