Home / 40,221.40-60,339.30-16,850.20

Finding the Fourth Proportional to 40,221.40, 60,339.30 and 16,850.20

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Solution

The fourth proportional to 40,221.40, 60,339.30 and 16,850.20 is: 25,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.40 : 60,339.30 = 16,850.20 : x
  2. Step 2: Convert to fraction form
    40,221.40/60,339.30 = 16,850.20/x
  3. Step 3: Cross multiply
    40,221.40x = 60,339.30 × 16,850.20
  4. Step 4: Simplify right side
    40,221.40x = 1,016,729,272.86
  5. Step 5: Solve for x
    x = 1,016,729,272.86/40,221.40
  6. Step 6: Final answer
    x = 25,278.32

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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.