Home / 49,171.95-67,839.80-29,018.75

Finding the Fourth Proportional to 49,171.95, 67,839.80 and 29,018.75

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Solution

The fourth proportional to 49,171.95, 67,839.80 and 29,018.75 is: 40,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,171.95 : 67,839.80 = 29,018.75 : x
  2. Step 2: Convert to fraction form
    49,171.95/67,839.80 = 29,018.75/x
  3. Step 3: Cross multiply
    49,171.95x = 67,839.80 × 29,018.75
  4. Step 4: Simplify right side
    49,171.95x = 1,968,625,711.96
  5. Step 5: Solve for x
    x = 1,968,625,711.96/49,171.95
  6. Step 6: Final answer
    x = 40,035.54

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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.