Home / 40,082.80-55,547.80-39,519.04

Finding the Fourth Proportional to 40,082.80, 55,547.80 and 39,519.04

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Solution

The fourth proportional to 40,082.80, 55,547.80 and 39,519.04 is: 54,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,082.80 : 55,547.80 = 39,519.04 : x
  2. Step 2: Convert to fraction form
    40,082.80/55,547.80 = 39,519.04/x
  3. Step 3: Cross multiply
    40,082.80x = 55,547.80 × 39,519.04
  4. Step 4: Simplify right side
    40,082.80x = 2,195,195,730.11
  5. Step 5: Solve for x
    x = 2,195,195,730.11/40,082.80
  6. Step 6: Final answer
    x = 54,766.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.