Home / 48,184.43-72,171.38-20,019.09

Finding the Fourth Proportional to 48,184.43, 72,171.38 and 20,019.09

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Solution

The fourth proportional to 48,184.43, 72,171.38 and 20,019.09 is: 29,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,184.43 : 72,171.38 = 20,019.09 : x
  2. Step 2: Convert to fraction form
    48,184.43/72,171.38 = 20,019.09/x
  3. Step 3: Cross multiply
    48,184.43x = 72,171.38 × 20,019.09
  4. Step 4: Simplify right side
    48,184.43x = 1,444,805,251.55
  5. Step 5: Solve for x
    x = 1,444,805,251.55/48,184.43
  6. Step 6: Final answer
    x = 29,984.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.