Home / 45,819.78-68,728.68-22,429.86

Finding the Fourth Proportional to 45,819.78, 68,728.68 and 22,429.86

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Solution

The fourth proportional to 45,819.78, 68,728.68 and 22,429.86 is: 33,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,819.78 : 68,728.68 = 22,429.86 : x
  2. Step 2: Convert to fraction form
    45,819.78/68,728.68 = 22,429.86/x
  3. Step 3: Cross multiply
    45,819.78x = 68,728.68 × 22,429.86
  4. Step 4: Simplify right side
    45,819.78x = 1,541,574,670.38
  5. Step 5: Solve for x
    x = 1,541,574,670.38/45,819.78
  6. Step 6: Final answer
    x = 33,644.31

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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.