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Finding the Fourth Proportional to 54,600.65, 81,901 and 15,157.76

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Solution

The fourth proportional to 54,600.65, 81,901 and 15,157.76 is: 22,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,600.65 : 81,901 = 15,157.76 : x
  2. Step 2: Convert to fraction form
    54,600.65/81,901 = 15,157.76/x
  3. Step 3: Cross multiply
    54,600.65x = 81,901 × 15,157.76
  4. Step 4: Simplify right side
    54,600.65x = 1,241,435,701.76
  5. Step 5: Solve for x
    x = 1,241,435,701.76/54,600.65
  6. Step 6: Final answer
    x = 22,736.65

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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.