Home / 54,877.19-82,311.67-19,816.84

Finding the Fourth Proportional to 54,877.19, 82,311.67 and 19,816.84

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Solution

The fourth proportional to 54,877.19, 82,311.67 and 19,816.84 is: 29,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.19 : 82,311.67 = 19,816.84 : x
  2. Step 2: Convert to fraction form
    54,877.19/82,311.67 = 19,816.84/x
  3. Step 3: Cross multiply
    54,877.19x = 82,311.67 × 19,816.84
  4. Step 4: Simplify right side
    54,877.19x = 1,631,156,683.88
  5. Step 5: Solve for x
    x = 1,631,156,683.88/54,877.19
  6. Step 6: Final answer
    x = 29,723.76

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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.