Home / 41,306.92-61,969.02-20,519.08

Finding the Fourth Proportional to 41,306.92, 61,969.02 and 20,519.08

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Solution

The fourth proportional to 41,306.92, 61,969.02 and 20,519.08 is: 30,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,306.92 : 61,969.02 = 20,519.08 : x
  2. Step 2: Convert to fraction form
    41,306.92/61,969.02 = 20,519.08/x
  3. Step 3: Cross multiply
    41,306.92x = 61,969.02 × 20,519.08
  4. Step 4: Simplify right side
    41,306.92x = 1,271,547,278.90
  5. Step 5: Solve for x
    x = 1,271,547,278.90/41,306.92
  6. Step 6: Final answer
    x = 30,782.91

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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.