Home / 39,201.80-58,796.70-12,906.60

Finding the Fourth Proportional to 39,201.80, 58,796.70 and 12,906.60

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Solution

The fourth proportional to 39,201.80, 58,796.70 and 12,906.60 is: 19,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.80 : 58,796.70 = 12,906.60 : x
  2. Step 2: Convert to fraction form
    39,201.80/58,796.70 = 12,906.60/x
  3. Step 3: Cross multiply
    39,201.80x = 58,796.70 × 12,906.60
  4. Step 4: Simplify right side
    39,201.80x = 758,865,488.22
  5. Step 5: Solve for x
    x = 758,865,488.22/39,201.80
  6. Step 6: Final answer
    x = 19,357.92

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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.