Home / 54,102.08-81,156.72-16,659.84

Finding the Fourth Proportional to 54,102.08, 81,156.72 and 16,659.84

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Solution

The fourth proportional to 54,102.08, 81,156.72 and 16,659.84 is: 24,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,102.08 : 81,156.72 = 16,659.84 : x
  2. Step 2: Convert to fraction form
    54,102.08/81,156.72 = 16,659.84/x
  3. Step 3: Cross multiply
    54,102.08x = 81,156.72 × 16,659.84
  4. Step 4: Simplify right side
    54,102.08x = 1,352,057,970.12
  5. Step 5: Solve for x
    x = 1,352,057,970.12/54,102.08
  6. Step 6: Final answer
    x = 24,990.87

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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.