Home / 55,738.20-76,842.76-39,794.96

Finding the Fourth Proportional to 55,738.20, 76,842.76 and 39,794.96

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Solution

The fourth proportional to 55,738.20, 76,842.76 and 39,794.96 is: 54,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,738.20 : 76,842.76 = 39,794.96 : x
  2. Step 2: Convert to fraction form
    55,738.20/76,842.76 = 39,794.96/x
  3. Step 3: Cross multiply
    55,738.20x = 76,842.76 × 39,794.96
  4. Step 4: Simplify right side
    55,738.20x = 3,057,954,560.49
  5. Step 5: Solve for x
    x = 3,057,954,560.49/55,738.20
  6. Step 6: Final answer
    x = 54,862.82

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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.