Home / 40,821.78-61,206.04-17,144.47

Finding the Fourth Proportional to 40,821.78, 61,206.04 and 17,144.47

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Solution

The fourth proportional to 40,821.78, 61,206.04 and 17,144.47 is: 25,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.78 : 61,206.04 = 17,144.47 : x
  2. Step 2: Convert to fraction form
    40,821.78/61,206.04 = 17,144.47/x
  3. Step 3: Cross multiply
    40,821.78x = 61,206.04 × 17,144.47
  4. Step 4: Simplify right side
    40,821.78x = 1,049,345,116.60
  5. Step 5: Solve for x
    x = 1,049,345,116.60/40,821.78
  6. Step 6: Final answer
    x = 25,705.52

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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.