Home / 36,189.06-54,287.60-12,493.92

Finding the Fourth Proportional to 36,189.06, 54,287.60 and 12,493.92

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Solution

The fourth proportional to 36,189.06, 54,287.60 and 12,493.92 is: 18,742.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.06 : 54,287.60 = 12,493.92 : x
  2. Step 2: Convert to fraction form
    36,189.06/54,287.60 = 12,493.92/x
  3. Step 3: Cross multiply
    36,189.06x = 54,287.60 × 12,493.92
  4. Step 4: Simplify right side
    36,189.06x = 678,264,931.39
  5. Step 5: Solve for x
    x = 678,264,931.39/36,189.06
  6. Step 6: Final answer
    x = 18,742.26

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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.