Home / 55,345.70-82,998.14-19,797.38

Finding the Fourth Proportional to 55,345.70, 82,998.14 and 19,797.38

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Solution

The fourth proportional to 55,345.70, 82,998.14 and 19,797.38 is: 29,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,345.70 : 82,998.14 = 19,797.38 : x
  2. Step 2: Convert to fraction form
    55,345.70/82,998.14 = 19,797.38/x
  3. Step 3: Cross multiply
    55,345.70x = 82,998.14 × 19,797.38
  4. Step 4: Simplify right side
    55,345.70x = 1,643,145,716.87
  5. Step 5: Solve for x
    x = 1,643,145,716.87/55,345.70
  6. Step 6: Final answer
    x = 29,688.77

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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.