Home / 40,743.66-61,125.06-12,662.28

Finding the Fourth Proportional to 40,743.66, 61,125.06 and 12,662.28

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Solution

The fourth proportional to 40,743.66, 61,125.06 and 12,662.28 is: 18,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.66 : 61,125.06 = 12,662.28 : x
  2. Step 2: Convert to fraction form
    40,743.66/61,125.06 = 12,662.28/x
  3. Step 3: Cross multiply
    40,743.66x = 61,125.06 × 12,662.28
  4. Step 4: Simplify right side
    40,743.66x = 773,982,624.74
  5. Step 5: Solve for x
    x = 773,982,624.74/40,743.66
  6. Step 6: Final answer
    x = 18,996.39

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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.