Home / 20,091.33-30,139.02-5,301.27

Finding the Fourth Proportional to 20,091.33, 30,139.02 and 5,301.27

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Solution

The fourth proportional to 20,091.33, 30,139.02 and 5,301.27 is: 7,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.33 : 30,139.02 = 5,301.27 : x
  2. Step 2: Convert to fraction form
    20,091.33/30,139.02 = 5,301.27/x
  3. Step 3: Cross multiply
    20,091.33x = 30,139.02 × 5,301.27
  4. Step 4: Simplify right side
    20,091.33x = 159,775,082.56
  5. Step 5: Solve for x
    x = 159,775,082.56/20,091.33
  6. Step 6: Final answer
    x = 7,952.44

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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.