Home / 48,971.12-73,399.08-20,882.72

Finding the Fourth Proportional to 48,971.12, 73,399.08 and 20,882.72

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Solution

The fourth proportional to 48,971.12, 73,399.08 and 20,882.72 is: 31,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,971.12 : 73,399.08 = 20,882.72 : x
  2. Step 2: Convert to fraction form
    48,971.12/73,399.08 = 20,882.72/x
  3. Step 3: Cross multiply
    48,971.12x = 73,399.08 × 20,882.72
  4. Step 4: Simplify right side
    48,971.12x = 1,532,772,435.90
  5. Step 5: Solve for x
    x = 1,532,772,435.90/48,971.12
  6. Step 6: Final answer
    x = 31,299.52

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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.