Home / 51,912.50-71,642.78-29,253.35

Finding the Fourth Proportional to 51,912.50, 71,642.78 and 29,253.35

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Solution

The fourth proportional to 51,912.50, 71,642.78 and 29,253.35 is: 40,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,912.50 : 71,642.78 = 29,253.35 : x
  2. Step 2: Convert to fraction form
    51,912.50/71,642.78 = 29,253.35/x
  3. Step 3: Cross multiply
    51,912.50x = 71,642.78 × 29,253.35
  4. Step 4: Simplify right side
    51,912.50x = 2,095,791,460.85
  5. Step 5: Solve for x
    x = 2,095,791,460.85/51,912.50
  6. Step 6: Final answer
    x = 40,371.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.