Home / 39,179.53-58,773.39-12,886.32

Finding the Fourth Proportional to 39,179.53, 58,773.39 and 12,886.32

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Solution

The fourth proportional to 39,179.53, 58,773.39 and 12,886.32 is: 19,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.53 : 58,773.39 = 12,886.32 : x
  2. Step 2: Convert to fraction form
    39,179.53/58,773.39 = 12,886.32/x
  3. Step 3: Cross multiply
    39,179.53x = 58,773.39 × 12,886.32
  4. Step 4: Simplify right side
    39,179.53x = 757,372,735.19
  5. Step 5: Solve for x
    x = 757,372,735.19/39,179.53
  6. Step 6: Final answer
    x = 19,330.83

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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.