Home / 42,227.52-63,341.22-20,028.78

Finding the Fourth Proportional to 42,227.52, 63,341.22 and 20,028.78

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Solution

The fourth proportional to 42,227.52, 63,341.22 and 20,028.78 is: 30,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,227.52 : 63,341.22 = 20,028.78 : x
  2. Step 2: Convert to fraction form
    42,227.52/63,341.22 = 20,028.78/x
  3. Step 3: Cross multiply
    42,227.52x = 63,341.22 × 20,028.78
  4. Step 4: Simplify right side
    42,227.52x = 1,268,647,360.31
  5. Step 5: Solve for x
    x = 1,268,647,360.31/42,227.52
  6. Step 6: Final answer
    x = 30,043.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.