Home / 36,639.92-54,966.36-11,685.44

Finding the Fourth Proportional to 36,639.92, 54,966.36 and 11,685.44

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Solution

The fourth proportional to 36,639.92, 54,966.36 and 11,685.44 is: 17,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.92 : 54,966.36 = 11,685.44 : x
  2. Step 2: Convert to fraction form
    36,639.92/54,966.36 = 11,685.44/x
  3. Step 3: Cross multiply
    36,639.92x = 54,966.36 × 11,685.44
  4. Step 4: Simplify right side
    36,639.92x = 642,306,101.80
  5. Step 5: Solve for x
    x = 642,306,101.80/36,639.92
  6. Step 6: Final answer
    x = 17,530.23

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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.