Home / 51,761.89-77,643.57-34,105.61

Finding the Fourth Proportional to 51,761.89, 77,643.57 and 34,105.61

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Solution

The fourth proportional to 51,761.89, 77,643.57 and 34,105.61 is: 51,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.89 : 77,643.57 = 34,105.61 : x
  2. Step 2: Convert to fraction form
    51,761.89/77,643.57 = 34,105.61/x
  3. Step 3: Cross multiply
    51,761.89x = 77,643.57 × 34,105.61
  4. Step 4: Simplify right side
    51,761.89x = 2,648,081,348.27
  5. Step 5: Solve for x
    x = 2,648,081,348.27/51,761.89
  6. Step 6: Final answer
    x = 51,158.90

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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.