Home / 35,128.88-48,479.20-20,023.92

Finding the Fourth Proportional to 35,128.88, 48,479.20 and 20,023.92

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Solution

The fourth proportional to 35,128.88, 48,479.20 and 20,023.92 is: 27,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.88 : 48,479.20 = 20,023.92 : x
  2. Step 2: Convert to fraction form
    35,128.88/48,479.20 = 20,023.92/x
  3. Step 3: Cross multiply
    35,128.88x = 48,479.20 × 20,023.92
  4. Step 4: Simplify right side
    35,128.88x = 970,743,622.46
  5. Step 5: Solve for x
    x = 970,743,622.46/35,128.88
  6. Step 6: Final answer
    x = 27,633.78

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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.