Home / 20,003.13-30,004.68-5,962.80

Finding the Fourth Proportional to 20,003.13, 30,004.68 and 5,962.80

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Solution

The fourth proportional to 20,003.13, 30,004.68 and 5,962.80 is: 8,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.13 : 30,004.68 = 5,962.80 : x
  2. Step 2: Convert to fraction form
    20,003.13/30,004.68 = 5,962.80/x
  3. Step 3: Cross multiply
    20,003.13x = 30,004.68 × 5,962.80
  4. Step 4: Simplify right side
    20,003.13x = 178,911,905.90
  5. Step 5: Solve for x
    x = 178,911,905.90/20,003.13
  6. Step 6: Final answer
    x = 8,944.20

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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.