Home / 54,276.93-81,385.97-16,820.91

Finding the Fourth Proportional to 54,276.93, 81,385.97 and 16,820.91

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Solution

The fourth proportional to 54,276.93, 81,385.97 and 16,820.91 is: 25,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,276.93 : 81,385.97 = 16,820.91 : x
  2. Step 2: Convert to fraction form
    54,276.93/81,385.97 = 16,820.91/x
  3. Step 3: Cross multiply
    54,276.93x = 81,385.97 × 16,820.91
  4. Step 4: Simplify right side
    54,276.93x = 1,368,985,992.53
  5. Step 5: Solve for x
    x = 1,368,985,992.53/54,276.93
  6. Step 6: Final answer
    x = 25,222.24

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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.