Home / 48,948.14-73,431.66-20,867.72

Finding the Fourth Proportional to 48,948.14, 73,431.66 and 20,867.72

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Solution

The fourth proportional to 48,948.14, 73,431.66 and 20,867.72 is: 31,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,948.14 : 73,431.66 = 20,867.72 : x
  2. Step 2: Convert to fraction form
    48,948.14/73,431.66 = 20,867.72/x
  3. Step 3: Cross multiply
    48,948.14x = 73,431.66 × 20,867.72
  4. Step 4: Simplify right side
    48,948.14x = 1,532,351,320.02
  5. Step 5: Solve for x
    x = 1,532,351,320.02/48,948.14
  6. Step 6: Final answer
    x = 31,305.61

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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.