Home / 40,281.78-55,585.82-22,375.28

Finding the Fourth Proportional to 40,281.78, 55,585.82 and 22,375.28

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Solution

The fourth proportional to 40,281.78, 55,585.82 and 22,375.28 is: 30,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.78 : 55,585.82 = 22,375.28 : x
  2. Step 2: Convert to fraction form
    40,281.78/55,585.82 = 22,375.28/x
  3. Step 3: Cross multiply
    40,281.78x = 55,585.82 × 22,375.28
  4. Step 4: Simplify right side
    40,281.78x = 1,243,748,286.53
  5. Step 5: Solve for x
    x = 1,243,748,286.53/40,281.78
  6. Step 6: Final answer
    x = 30,876.20

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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.