Home / 51,918.46-77,764.57-34,129.03

Finding the Fourth Proportional to 51,918.46, 77,764.57 and 34,129.03

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Solution

The fourth proportional to 51,918.46, 77,764.57 and 34,129.03 is: 51,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.46 : 77,764.57 = 34,129.03 : x
  2. Step 2: Convert to fraction form
    51,918.46/77,764.57 = 34,129.03/x
  3. Step 3: Cross multiply
    51,918.46x = 77,764.57 × 34,129.03
  4. Step 4: Simplify right side
    51,918.46x = 2,654,029,342.47
  5. Step 5: Solve for x
    x = 2,654,029,342.47/51,918.46
  6. Step 6: Final answer
    x = 51,119.18

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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.