Home / 40,207.20-60,310.80-16,850.40

Finding the Fourth Proportional to 40,207.20, 60,310.80 and 16,850.40

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Solution

The fourth proportional to 40,207.20, 60,310.80 and 16,850.40 is: 25,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,207.20 : 60,310.80 = 16,850.40 : x
  2. Step 2: Convert to fraction form
    40,207.20/60,310.80 = 16,850.40/x
  3. Step 3: Cross multiply
    40,207.20x = 60,310.80 × 16,850.40
  4. Step 4: Simplify right side
    40,207.20x = 1,016,261,104.32
  5. Step 5: Solve for x
    x = 1,016,261,104.32/40,207.20
  6. Step 6: Final answer
    x = 25,275.60

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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.