Home / 51,328.46-77,129.37-27,654.18

Finding the Fourth Proportional to 51,328.46, 77,129.37 and 27,654.18

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Solution

The fourth proportional to 51,328.46, 77,129.37 and 27,654.18 is: 41,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,328.46 : 77,129.37 = 27,654.18 : x
  2. Step 2: Convert to fraction form
    51,328.46/77,129.37 = 27,654.18/x
  3. Step 3: Cross multiply
    51,328.46x = 77,129.37 × 27,654.18
  4. Step 4: Simplify right side
    51,328.46x = 2,132,949,481.27
  5. Step 5: Solve for x
    x = 2,132,949,481.27/51,328.46
  6. Step 6: Final answer
    x = 41,554.91

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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.