Home / 40,066.20-60,100.72-13,770.77

Finding the Fourth Proportional to 40,066.20, 60,100.72 and 13,770.77

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Solution

The fourth proportional to 40,066.20, 60,100.72 and 13,770.77 is: 20,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,066.20 : 60,100.72 = 13,770.77 : x
  2. Step 2: Convert to fraction form
    40,066.20/60,100.72 = 13,770.77/x
  3. Step 3: Cross multiply
    40,066.20x = 60,100.72 × 13,770.77
  4. Step 4: Simplify right side
    40,066.20x = 827,633,191.95
  5. Step 5: Solve for x
    x = 827,633,191.95/40,066.20
  6. Step 6: Final answer
    x = 20,656.64

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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.