Home / 51,338.19-76,819.94-30,288.31

Finding the Fourth Proportional to 51,338.19, 76,819.94 and 30,288.31

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Solution

The fourth proportional to 51,338.19, 76,819.94 and 30,288.31 is: 45,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,338.19 : 76,819.94 = 30,288.31 : x
  2. Step 2: Convert to fraction form
    51,338.19/76,819.94 = 30,288.31/x
  3. Step 3: Cross multiply
    51,338.19x = 76,819.94 × 30,288.31
  4. Step 4: Simplify right side
    51,338.19x = 2,326,746,156.90
  5. Step 5: Solve for x
    x = 2,326,746,156.90/51,338.19
  6. Step 6: Final answer
    x = 45,321.94

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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.