Home / 51,351.20-76,974.96-27,929.12

Finding the Fourth Proportional to 51,351.20, 76,974.96 and 27,929.12

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Solution

The fourth proportional to 51,351.20, 76,974.96 and 27,929.12 is: 41,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,351.20 : 76,974.96 = 27,929.12 : x
  2. Step 2: Convert to fraction form
    51,351.20/76,974.96 = 27,929.12/x
  3. Step 3: Cross multiply
    51,351.20x = 76,974.96 × 27,929.12
  4. Step 4: Simplify right side
    51,351.20x = 2,149,842,894.84
  5. Step 5: Solve for x
    x = 2,149,842,894.84/51,351.20
  6. Step 6: Final answer
    x = 41,865.49

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1.5x scale

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.