Home / 51,517.52-71,093.35-28,856.46

Finding the Fourth Proportional to 51,517.52, 71,093.35 and 28,856.46

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Solution

The fourth proportional to 51,517.52, 71,093.35 and 28,856.46 is: 39,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,517.52 : 71,093.35 = 28,856.46 : x
  2. Step 2: Convert to fraction form
    51,517.52/71,093.35 = 28,856.46/x
  3. Step 3: Cross multiply
    51,517.52x = 71,093.35 × 28,856.46
  4. Step 4: Simplify right side
    51,517.52x = 2,051,502,150.99
  5. Step 5: Solve for x
    x = 2,051,502,150.99/51,517.52
  6. Step 6: Final answer
    x = 39,821.44

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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.