Home / 51,862.25-71,552.18-31,450.55

Finding the Fourth Proportional to 51,862.25, 71,552.18 and 31,450.55

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Solution

The fourth proportional to 51,862.25, 71,552.18 and 31,450.55 is: 43,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,862.25 : 71,552.18 = 31,450.55 : x
  2. Step 2: Convert to fraction form
    51,862.25/71,552.18 = 31,450.55/x
  3. Step 3: Cross multiply
    51,862.25x = 71,552.18 × 31,450.55
  4. Step 4: Simplify right side
    51,862.25x = 2,250,355,135.56
  5. Step 5: Solve for x
    x = 2,250,355,135.56/51,862.25
  6. Step 6: Final answer
    x = 43,391.00

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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.