Home / 71,948.28-107,953.56-38,629.44

Finding the Fourth Proportional to 71,948.28, 107,953.56 and 38,629.44

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Solution

The fourth proportional to 71,948.28, 107,953.56 and 38,629.44 is: 57,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,948.28 : 107,953.56 = 38,629.44 : x
  2. Step 2: Convert to fraction form
    71,948.28/107,953.56 = 38,629.44/x
  3. Step 3: Cross multiply
    71,948.28x = 107,953.56 × 38,629.44
  4. Step 4: Simplify right side
    71,948.28x = 4,170,185,568.81
  5. Step 5: Solve for x
    x = 4,170,185,568.81/71,948.28
  6. Step 6: Final answer
    x = 57,960.88

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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.