Home / 40,815.04-61,214.82-11,225.56

Finding the Fourth Proportional to 40,815.04, 61,214.82 and 11,225.56

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Solution

The fourth proportional to 40,815.04, 61,214.82 and 11,225.56 is: 16,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.04 : 61,214.82 = 11,225.56 : x
  2. Step 2: Convert to fraction form
    40,815.04/61,214.82 = 11,225.56/x
  3. Step 3: Cross multiply
    40,815.04x = 61,214.82 × 11,225.56
  4. Step 4: Simplify right side
    40,815.04x = 687,170,634.80
  5. Step 5: Solve for x
    x = 687,170,634.80/40,815.04
  6. Step 6: Final answer
    x = 16,836.21

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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.