Home / 51,819.75-71,511.26-29,463.75

Finding the Fourth Proportional to 51,819.75, 71,511.26 and 29,463.75

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Solution

The fourth proportional to 51,819.75, 71,511.26 and 29,463.75 is: 40,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,819.75 : 71,511.26 = 29,463.75 : x
  2. Step 2: Convert to fraction form
    51,819.75/71,511.26 = 29,463.75/x
  3. Step 3: Cross multiply
    51,819.75x = 71,511.26 × 29,463.75
  4. Step 4: Simplify right side
    51,819.75x = 2,106,989,739.51
  5. Step 5: Solve for x
    x = 2,106,989,739.51/51,819.75
  6. Step 6: Final answer
    x = 40,659.98

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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.