Home / 54,846.26-82,269.40-19,785.90

Finding the Fourth Proportional to 54,846.26, 82,269.40 and 19,785.90

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Solution

The fourth proportional to 54,846.26, 82,269.40 and 19,785.90 is: 29,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,846.26 : 82,269.40 = 19,785.90 : x
  2. Step 2: Convert to fraction form
    54,846.26/82,269.40 = 19,785.90/x
  3. Step 3: Cross multiply
    54,846.26x = 82,269.40 × 19,785.90
  4. Step 4: Simplify right side
    54,846.26x = 1,627,774,121.46
  5. Step 5: Solve for x
    x = 1,627,774,121.46/54,846.26
  6. Step 6: Final answer
    x = 29,678.85

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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.