Home / 40,752.54-61,116.18-19,679.48

Finding the Fourth Proportional to 40,752.54, 61,116.18 and 19,679.48

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Solution

The fourth proportional to 40,752.54, 61,116.18 and 19,679.48 is: 29,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,752.54 : 61,116.18 = 19,679.48 : x
  2. Step 2: Convert to fraction form
    40,752.54/61,116.18 = 19,679.48/x
  3. Step 3: Cross multiply
    40,752.54x = 61,116.18 × 19,679.48
  4. Step 4: Simplify right side
    40,752.54x = 1,202,734,336.41
  5. Step 5: Solve for x
    x = 1,202,734,336.41/40,752.54
  6. Step 6: Final answer
    x = 29,513.11

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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.