Home / 40,080.60-60,126.30-13,793.40

Finding the Fourth Proportional to 40,080.60, 60,126.30 and 13,793.40

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Solution

The fourth proportional to 40,080.60, 60,126.30 and 13,793.40 is: 20,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,080.60 : 60,126.30 = 13,793.40 : x
  2. Step 2: Convert to fraction form
    40,080.60/60,126.30 = 13,793.40/x
  3. Step 3: Cross multiply
    40,080.60x = 60,126.30 × 13,793.40
  4. Step 4: Simplify right side
    40,080.60x = 829,346,106.42
  5. Step 5: Solve for x
    x = 829,346,106.42/40,080.60
  6. Step 6: Final answer
    x = 20,691.96

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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.