Home / 36,108.08-54,170.76-18,294.32

Finding the Fourth Proportional to 36,108.08, 54,170.76 and 18,294.32

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Solution

The fourth proportional to 36,108.08, 54,170.76 and 18,294.32 is: 27,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,108.08 : 54,170.76 = 18,294.32 : x
  2. Step 2: Convert to fraction form
    36,108.08/54,170.76 = 18,294.32/x
  3. Step 3: Cross multiply
    36,108.08x = 54,170.76 × 18,294.32
  4. Step 4: Simplify right side
    36,108.08x = 991,017,218.08
  5. Step 5: Solve for x
    x = 991,017,218.08/36,108.08
  6. Step 6: Final answer
    x = 27,445.86

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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.