Home / 20,021.03-30,025.76-5,980.49

Finding the Fourth Proportional to 20,021.03, 30,025.76 and 5,980.49

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Solution

The fourth proportional to 20,021.03, 30,025.76 and 5,980.49 is: 8,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.03 : 30,025.76 = 5,980.49 : x
  2. Step 2: Convert to fraction form
    20,021.03/30,025.76 = 5,980.49/x
  3. Step 3: Cross multiply
    20,021.03x = 30,025.76 × 5,980.49
  4. Step 4: Simplify right side
    20,021.03x = 179,568,577.39
  5. Step 5: Solve for x
    x = 179,568,577.39/20,021.03
  6. Step 6: Final answer
    x = 8,969.00

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Half scale
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Double scale
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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.