Home / 49,449.28-68,239.98-28,228.12

Finding the Fourth Proportional to 49,449.28, 68,239.98 and 28,228.12

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Solution

The fourth proportional to 49,449.28, 68,239.98 and 28,228.12 is: 38,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449.28 : 68,239.98 = 28,228.12 : x
  2. Step 2: Convert to fraction form
    49,449.28/68,239.98 = 28,228.12/x
  3. Step 3: Cross multiply
    49,449.28x = 68,239.98 × 28,228.12
  4. Step 4: Simplify right side
    49,449.28x = 1,926,286,344.24
  5. Step 5: Solve for x
    x = 1,926,286,344.24/49,449.28
  6. Step 6: Final answer
    x = 38,954.79

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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.