Home / 36,168.69-54,209.30-18,628.95

Finding the Fourth Proportional to 36,168.69, 54,209.30 and 18,628.95

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Solution

The fourth proportional to 36,168.69, 54,209.30 and 18,628.95 is: 27,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,168.69 : 54,209.30 = 18,628.95 : x
  2. Step 2: Convert to fraction form
    36,168.69/54,209.30 = 18,628.95/x
  3. Step 3: Cross multiply
    36,168.69x = 54,209.30 × 18,628.95
  4. Step 4: Simplify right side
    36,168.69x = 1,009,862,246.09
  5. Step 5: Solve for x
    x = 1,009,862,246.09/36,168.69
  6. Step 6: Final answer
    x = 27,920.90

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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.