Home / 39,147.33-58,727.12-12,846.09

Finding the Fourth Proportional to 39,147.33, 58,727.12 and 12,846.09

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Solution

The fourth proportional to 39,147.33, 58,727.12 and 12,846.09 is: 19,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.33 : 58,727.12 = 12,846.09 : x
  2. Step 2: Convert to fraction form
    39,147.33/58,727.12 = 12,846.09/x
  3. Step 3: Cross multiply
    39,147.33x = 58,727.12 × 12,846.09
  4. Step 4: Simplify right side
    39,147.33x = 754,413,868.96
  5. Step 5: Solve for x
    x = 754,413,868.96/39,147.33
  6. Step 6: Final answer
    x = 19,271.14

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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.