Home / 39,100.11-58,654.26-12,806.90

Finding the Fourth Proportional to 39,100.11, 58,654.26 and 12,806.90

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Solution

The fourth proportional to 39,100.11, 58,654.26 and 12,806.90 is: 19,211.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.11 : 58,654.26 = 12,806.90 : x
  2. Step 2: Convert to fraction form
    39,100.11/58,654.26 = 12,806.90/x
  3. Step 3: Cross multiply
    39,100.11x = 58,654.26 × 12,806.90
  4. Step 4: Simplify right side
    39,100.11x = 751,179,242.39
  5. Step 5: Solve for x
    x = 751,179,242.39/39,100.11
  6. Step 6: Final answer
    x = 19,211.69

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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.