Home / 39,305.78-58,961.57-11,228.21

Finding the Fourth Proportional to 39,305.78, 58,961.57 and 11,228.21

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Solution

The fourth proportional to 39,305.78, 58,961.57 and 11,228.21 is: 16,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,305.78 : 58,961.57 = 11,228.21 : x
  2. Step 2: Convert to fraction form
    39,305.78/58,961.57 = 11,228.21/x
  3. Step 3: Cross multiply
    39,305.78x = 58,961.57 × 11,228.21
  4. Step 4: Simplify right side
    39,305.78x = 662,032,538.94
  5. Step 5: Solve for x
    x = 662,032,538.94/39,305.78
  6. Step 6: Final answer
    x = 16,843.14

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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.