Home / 68,778.31-94,908.55-38,559.52

Finding the Fourth Proportional to 68,778.31, 94,908.55 and 38,559.52

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Solution

The fourth proportional to 68,778.31, 94,908.55 and 38,559.52 is: 53,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,778.31 : 94,908.55 = 38,559.52 : x
  2. Step 2: Convert to fraction form
    68,778.31/94,908.55 = 38,559.52/x
  3. Step 3: Cross multiply
    68,778.31x = 94,908.55 × 38,559.52
  4. Step 4: Simplify right side
    68,778.31x = 3,659,628,131.90
  5. Step 5: Solve for x
    x = 3,659,628,131.90/68,778.31
  6. Step 6: Final answer
    x = 53,209.04

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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.