Home / 40,347.12-60,481.80-20,634.96

Finding the Fourth Proportional to 40,347.12, 60,481.80 and 20,634.96

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Solution

The fourth proportional to 40,347.12, 60,481.80 and 20,634.96 is: 30,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347.12 : 60,481.80 = 20,634.96 : x
  2. Step 2: Convert to fraction form
    40,347.12/60,481.80 = 20,634.96/x
  3. Step 3: Cross multiply
    40,347.12x = 60,481.80 × 20,634.96
  4. Step 4: Simplify right side
    40,347.12x = 1,248,039,523.73
  5. Step 5: Solve for x
    x = 1,248,039,523.73/40,347.12
  6. Step 6: Final answer
    x = 30,932.56

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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.