Home / 40,020.27-60,028.23-20,298.31

Finding the Fourth Proportional to 40,020.27, 60,028.23 and 20,298.31

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Solution

The fourth proportional to 40,020.27, 60,028.23 and 20,298.31 is: 30,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.27 : 60,028.23 = 20,298.31 : x
  2. Step 2: Convert to fraction form
    40,020.27/60,028.23 = 20,298.31/x
  3. Step 3: Cross multiply
    40,020.27x = 60,028.23 × 20,298.31
  4. Step 4: Simplify right side
    40,020.27x = 1,218,471,433.16
  5. Step 5: Solve for x
    x = 1,218,471,433.16/40,020.27
  6. Step 6: Final answer
    x = 30,446.36

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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.