Home / 39,146.33-58,725.62-12,845.09

Finding the Fourth Proportional to 39,146.33, 58,725.62 and 12,845.09

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Solution

The fourth proportional to 39,146.33, 58,725.62 and 12,845.09 is: 19,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,146.33 : 58,725.62 = 12,845.09 : x
  2. Step 2: Convert to fraction form
    39,146.33/58,725.62 = 12,845.09/x
  3. Step 3: Cross multiply
    39,146.33x = 58,725.62 × 12,845.09
  4. Step 4: Simplify right side
    39,146.33x = 754,335,874.21
  5. Step 5: Solve for x
    x = 754,335,874.21/39,146.33
  6. Step 6: Final answer
    x = 19,269.64

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1.5x scale

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.