Home / 54,540.15-81,870.98-28,237.83

Finding the Fourth Proportional to 54,540.15, 81,870.98 and 28,237.83

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Solution

The fourth proportional to 54,540.15, 81,870.98 and 28,237.83 is: 42,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,540.15 : 81,870.98 = 28,237.83 : x
  2. Step 2: Convert to fraction form
    54,540.15/81,870.98 = 28,237.83/x
  3. Step 3: Cross multiply
    54,540.15x = 81,870.98 × 28,237.83
  4. Step 4: Simplify right side
    54,540.15x = 2,311,858,673.98
  5. Step 5: Solve for x
    x = 2,311,858,673.98/54,540.15
  6. Step 6: Final answer
    x = 42,388.20

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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.