Home / 36,046.26-54,017.55-20,430.90

Finding the Fourth Proportional to 36,046.26, 54,017.55 and 20,430.90

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Solution

The fourth proportional to 36,046.26, 54,017.55 and 20,430.90 is: 30,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,046.26 : 54,017.55 = 20,430.90 : x
  2. Step 2: Convert to fraction form
    36,046.26/54,017.55 = 20,430.90/x
  3. Step 3: Cross multiply
    36,046.26x = 54,017.55 × 20,430.90
  4. Step 4: Simplify right side
    36,046.26x = 1,103,627,162.30
  5. Step 5: Solve for x
    x = 1,103,627,162.30/36,046.26
  6. Step 6: Final answer
    x = 30,616.97

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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.