Home / 49,593.63-68,451.12-28,385.20

Finding the Fourth Proportional to 49,593.63, 68,451.12 and 28,385.20

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Solution

The fourth proportional to 49,593.63, 68,451.12 and 28,385.20 is: 39,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,593.63 : 68,451.12 = 28,385.20 : x
  2. Step 2: Convert to fraction form
    49,593.63/68,451.12 = 28,385.20/x
  3. Step 3: Cross multiply
    49,593.63x = 68,451.12 × 28,385.20
  4. Step 4: Simplify right side
    49,593.63x = 1,942,998,731.42
  5. Step 5: Solve for x
    x = 1,942,998,731.42/49,593.63
  6. Step 6: Final answer
    x = 39,178.39

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Double scale
Find fourth proportional to 49,594.63, 68,452.50 and 28,386.20
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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.