Home / 55,073.23-82,619.58-19,545.43

Finding the Fourth Proportional to 55,073.23, 82,619.58 and 19,545.43

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Solution

The fourth proportional to 55,073.23, 82,619.58 and 19,545.43 is: 29,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,073.23 : 82,619.58 = 19,545.43 : x
  2. Step 2: Convert to fraction form
    55,073.23/82,619.58 = 19,545.43/x
  3. Step 3: Cross multiply
    55,073.23x = 82,619.58 × 19,545.43
  4. Step 4: Simplify right side
    55,073.23x = 1,614,835,217.52
  5. Step 5: Solve for x
    x = 1,614,835,217.52/55,073.23
  6. Step 6: Final answer
    x = 29,321.60

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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.