Home / 48,836.78-73,258.81-20,753.68

Finding the Fourth Proportional to 48,836.78, 73,258.81 and 20,753.68

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Solution

The fourth proportional to 48,836.78, 73,258.81 and 20,753.68 is: 31,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,836.78 : 73,258.81 = 20,753.68 : x
  2. Step 2: Convert to fraction form
    48,836.78/73,258.81 = 20,753.68/x
  3. Step 3: Cross multiply
    48,836.78x = 73,258.81 × 20,753.68
  4. Step 4: Simplify right side
    48,836.78x = 1,520,389,899.92
  5. Step 5: Solve for x
    x = 1,520,389,899.92/48,836.78
  6. Step 6: Final answer
    x = 31,132.07

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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.