Home / 51,872.70-77,684.31-29,618.63

Finding the Fourth Proportional to 51,872.70, 77,684.31 and 29,618.63

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Solution

The fourth proportional to 51,872.70, 77,684.31 and 29,618.63 is: 44,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,872.70 : 77,684.31 = 29,618.63 : x
  2. Step 2: Convert to fraction form
    51,872.70/77,684.31 = 29,618.63/x
  3. Step 3: Cross multiply
    51,872.70x = 77,684.31 × 29,618.63
  4. Step 4: Simplify right side
    51,872.70x = 2,300,902,834.70
  5. Step 5: Solve for x
    x = 2,300,902,834.70/51,872.70
  6. Step 6: Final answer
    x = 44,356.72

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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.