Home / 49,519.50-68,337.03-28,298.72

Finding the Fourth Proportional to 49,519.50, 68,337.03 and 28,298.72

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Solution

The fourth proportional to 49,519.50, 68,337.03 and 28,298.72 is: 39,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,519.50 : 68,337.03 = 28,298.72 : x
  2. Step 2: Convert to fraction form
    49,519.50/68,337.03 = 28,298.72/x
  3. Step 3: Cross multiply
    49,519.50x = 68,337.03 × 28,298.72
  4. Step 4: Simplify right side
    49,519.50x = 1,933,850,135.92
  5. Step 5: Solve for x
    x = 1,933,850,135.92/49,519.50
  6. Step 6: Final answer
    x = 39,052.30

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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.