Home / 45,742.88-68,551.92-27,979.71

Finding the Fourth Proportional to 45,742.88, 68,551.92 and 27,979.71

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Solution

The fourth proportional to 45,742.88, 68,551.92 and 27,979.71 is: 41,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,742.88 : 68,551.92 = 27,979.71 : x
  2. Step 2: Convert to fraction form
    45,742.88/68,551.92 = 27,979.71/x
  3. Step 3: Cross multiply
    45,742.88x = 68,551.92 × 27,979.71
  4. Step 4: Simplify right side
    45,742.88x = 1,918,062,841.54
  5. Step 5: Solve for x
    x = 1,918,062,841.54/45,742.88
  6. Step 6: Final answer
    x = 41,931.40

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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.