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Finding the Fourth Proportional to 54,162.77, 81,245.81 and 14,720.72

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Solution

The fourth proportional to 54,162.77, 81,245.81 and 14,720.72 is: 22,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,162.77 : 81,245.81 = 14,720.72 : x
  2. Step 2: Convert to fraction form
    54,162.77/81,245.81 = 14,720.72/x
  3. Step 3: Cross multiply
    54,162.77x = 81,245.81 × 14,720.72
  4. Step 4: Simplify right side
    54,162.77x = 1,195,996,450.76
  5. Step 5: Solve for x
    x = 1,195,996,450.76/54,162.77
  6. Step 6: Final answer
    x = 22,081.53

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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.