Home / 49,842.20-68,780.30-28,334.76

Finding the Fourth Proportional to 49,842.20, 68,780.30 and 28,334.76

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Solution

The fourth proportional to 49,842.20, 68,780.30 and 28,334.76 is: 39,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,842.20 : 68,780.30 = 28,334.76 : x
  2. Step 2: Convert to fraction form
    49,842.20/68,780.30 = 28,334.76/x
  3. Step 3: Cross multiply
    49,842.20x = 68,780.30 × 28,334.76
  4. Step 4: Simplify right side
    49,842.20x = 1,948,873,293.23
  5. Step 5: Solve for x
    x = 1,948,873,293.23/49,842.20
  6. Step 6: Final answer
    x = 39,100.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.