Home / 49,539.42-68,363.85-28,028.79

Finding the Fourth Proportional to 49,539.42, 68,363.85 and 28,028.79

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Solution

The fourth proportional to 49,539.42, 68,363.85 and 28,028.79 is: 38,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,539.42 : 68,363.85 = 28,028.79 : x
  2. Step 2: Convert to fraction form
    49,539.42/68,363.85 = 28,028.79/x
  3. Step 3: Cross multiply
    49,539.42x = 68,363.85 × 28,028.79
  4. Step 4: Simplify right side
    49,539.42x = 1,916,155,995.24
  5. Step 5: Solve for x
    x = 1,916,155,995.24/49,539.42
  6. Step 6: Final answer
    x = 38,679.42

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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.