Home / 20,044.40-30,067.14-8,948.48

Finding the Fourth Proportional to 20,044.40, 30,067.14 and 8,948.48

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Solution

The fourth proportional to 20,044.40, 30,067.14 and 8,948.48 is: 13,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.40 : 30,067.14 = 8,948.48 : x
  2. Step 2: Convert to fraction form
    20,044.40/30,067.14 = 8,948.48/x
  3. Step 3: Cross multiply
    20,044.40x = 30,067.14 × 8,948.48
  4. Step 4: Simplify right side
    20,044.40x = 269,055,200.95
  5. Step 5: Solve for x
    x = 269,055,200.95/20,044.40
  6. Step 6: Final answer
    x = 13,422.96

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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.