Home / 20,021.04-30,030.99-5,229.97

Finding the Fourth Proportional to 20,021.04, 30,030.99 and 5,229.97

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Solution

The fourth proportional to 20,021.04, 30,030.99 and 5,229.97 is: 7,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.04 : 30,030.99 = 5,229.97 : x
  2. Step 2: Convert to fraction form
    20,021.04/30,030.99 = 5,229.97/x
  3. Step 3: Cross multiply
    20,021.04x = 30,030.99 × 5,229.97
  4. Step 4: Simplify right side
    20,021.04x = 157,061,082.08
  5. Step 5: Solve for x
    x = 157,061,082.08/20,021.04
  6. Step 6: Final answer
    x = 7,844.80

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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.