Home / 49,398.03-68,169.83-28,178.55

Finding the Fourth Proportional to 49,398.03, 68,169.83 and 28,178.55

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Solution

The fourth proportional to 49,398.03, 68,169.83 and 28,178.55 is: 38,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398.03 : 68,169.83 = 28,178.55 : x
  2. Step 2: Convert to fraction form
    49,398.03/68,169.83 = 28,178.55/x
  3. Step 3: Cross multiply
    49,398.03x = 68,169.83 × 28,178.55
  4. Step 4: Simplify right side
    49,398.03x = 1,920,926,822.25
  5. Step 5: Solve for x
    x = 1,920,926,822.25/49,398.03
  6. Step 6: Final answer
    x = 38,886.71

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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.