Home / 36,184.68-54,280.67-12,489.08

Finding the Fourth Proportional to 36,184.68, 54,280.67 and 12,489.08

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Solution

The fourth proportional to 36,184.68, 54,280.67 and 12,489.08 is: 18,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,184.68 : 54,280.67 = 12,489.08 : x
  2. Step 2: Convert to fraction form
    36,184.68/54,280.67 = 12,489.08/x
  3. Step 3: Cross multiply
    36,184.68x = 54,280.67 × 12,489.08
  4. Step 4: Simplify right side
    36,184.68x = 677,915,296.23
  5. Step 5: Solve for x
    x = 677,915,296.23/36,184.68
  6. Step 6: Final answer
    x = 18,734.87

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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.