Home / 36,005.90-54,008.85-20,194.70

Finding the Fourth Proportional to 36,005.90, 54,008.85 and 20,194.70

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Solution

The fourth proportional to 36,005.90, 54,008.85 and 20,194.70 is: 30,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.90 : 54,008.85 = 20,194.70 : x
  2. Step 2: Convert to fraction form
    36,005.90/54,008.85 = 20,194.70/x
  3. Step 3: Cross multiply
    36,005.90x = 54,008.85 × 20,194.70
  4. Step 4: Simplify right side
    36,005.90x = 1,090,692,523.10
  5. Step 5: Solve for x
    x = 1,090,692,523.10/36,005.90
  6. Step 6: Final answer
    x = 30,292.05

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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.