Home / 51,819.67-77,728.64-23,340.78

Finding the Fourth Proportional to 51,819.67, 77,728.64 and 23,340.78

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Solution

The fourth proportional to 51,819.67, 77,728.64 and 23,340.78 is: 35,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,819.67 : 77,728.64 = 23,340.78 : x
  2. Step 2: Convert to fraction form
    51,819.67/77,728.64 = 23,340.78/x
  3. Step 3: Cross multiply
    51,819.67x = 77,728.64 × 23,340.78
  4. Step 4: Simplify right side
    51,819.67x = 1,814,247,348.25
  5. Step 5: Solve for x
    x = 1,814,247,348.25/51,819.67
  6. Step 6: Final answer
    x = 35,010.78

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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.