Home / 36,108.18-54,157.92-13,906.08

Finding the Fourth Proportional to 36,108.18, 54,157.92 and 13,906.08

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Solution

The fourth proportional to 36,108.18, 54,157.92 and 13,906.08 is: 20,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,108.18 : 54,157.92 = 13,906.08 : x
  2. Step 2: Convert to fraction form
    36,108.18/54,157.92 = 13,906.08/x
  3. Step 3: Cross multiply
    36,108.18x = 54,157.92 × 13,906.08
  4. Step 4: Simplify right side
    36,108.18x = 753,124,368.15
  5. Step 5: Solve for x
    x = 753,124,368.15/36,108.18
  6. Step 6: Final answer
    x = 20,857.44

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1.5x scale

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.