Home / 39,145.33-58,724.12-12,844.09

Finding the Fourth Proportional to 39,145.33, 58,724.12 and 12,844.09

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Solution

The fourth proportional to 39,145.33, 58,724.12 and 12,844.09 is: 19,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.33 : 58,724.12 = 12,844.09 : x
  2. Step 2: Convert to fraction form
    39,145.33/58,724.12 = 12,844.09/x
  3. Step 3: Cross multiply
    39,145.33x = 58,724.12 × 12,844.09
  4. Step 4: Simplify right side
    39,145.33x = 754,257,882.45
  5. Step 5: Solve for x
    x = 754,257,882.45/39,145.33
  6. Step 6: Final answer
    x = 19,268.14

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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.