Home / 36,659.48-54,989.22-13,278.20

Finding the Fourth Proportional to 36,659.48, 54,989.22 and 13,278.20

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Solution

The fourth proportional to 36,659.48, 54,989.22 and 13,278.20 is: 19,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659.48 : 54,989.22 = 13,278.20 : x
  2. Step 2: Convert to fraction form
    36,659.48/54,989.22 = 13,278.20/x
  3. Step 3: Cross multiply
    36,659.48x = 54,989.22 × 13,278.20
  4. Step 4: Simplify right side
    36,659.48x = 730,157,861.00
  5. Step 5: Solve for x
    x = 730,157,861.00/36,659.48
  6. Step 6: Final answer
    x = 19,917.30

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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.