Home / 36,543.40-54,781.50-13,164.12

Finding the Fourth Proportional to 36,543.40, 54,781.50 and 13,164.12

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Solution

The fourth proportional to 36,543.40, 54,781.50 and 13,164.12 is: 19,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,543.40 : 54,781.50 = 13,164.12 : x
  2. Step 2: Convert to fraction form
    36,543.40/54,781.50 = 13,164.12/x
  3. Step 3: Cross multiply
    36,543.40x = 54,781.50 × 13,164.12
  4. Step 4: Simplify right side
    36,543.40x = 721,150,239.78
  5. Step 5: Solve for x
    x = 721,150,239.78/36,543.40
  6. Step 6: Final answer
    x = 19,734.08

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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.