Home / 36,006.90-54,010.35-20,195.70

Finding the Fourth Proportional to 36,006.90, 54,010.35 and 20,195.70

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Solution

The fourth proportional to 36,006.90, 54,010.35 and 20,195.70 is: 30,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,006.90 : 54,010.35 = 20,195.70 : x
  2. Step 2: Convert to fraction form
    36,006.90/54,010.35 = 20,195.70/x
  3. Step 3: Cross multiply
    36,006.90x = 54,010.35 × 20,195.70
  4. Step 4: Simplify right side
    36,006.90x = 1,090,776,825.50
  5. Step 5: Solve for x
    x = 1,090,776,825.50/36,006.90
  6. Step 6: Final answer
    x = 30,293.55

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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.