Home / 52,819.67-72,891.72-28,945.83

Finding the Fourth Proportional to 52,819.67, 72,891.72 and 28,945.83

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Solution

The fourth proportional to 52,819.67, 72,891.72 and 28,945.83 is: 39,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,819.67 : 72,891.72 = 28,945.83 : x
  2. Step 2: Convert to fraction form
    52,819.67/72,891.72 = 28,945.83/x
  3. Step 3: Cross multiply
    52,819.67x = 72,891.72 × 28,945.83
  4. Step 4: Simplify right side
    52,819.67x = 2,109,911,335.53
  5. Step 5: Solve for x
    x = 2,109,911,335.53/52,819.67
  6. Step 6: Final answer
    x = 39,945.56

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1.5x scale

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.