Home / 39,493.22-59,238.60-13,198.18

Finding the Fourth Proportional to 39,493.22, 59,238.60 and 13,198.18

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Solution

The fourth proportional to 39,493.22, 59,238.60 and 13,198.18 is: 19,796.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.22 : 59,238.60 = 13,198.18 : x
  2. Step 2: Convert to fraction form
    39,493.22/59,238.60 = 13,198.18/x
  3. Step 3: Cross multiply
    39,493.22x = 59,238.60 × 13,198.18
  4. Step 4: Simplify right side
    39,493.22x = 781,841,705.75
  5. Step 5: Solve for x
    x = 781,841,705.75/39,493.22
  6. Step 6: Final answer
    x = 19,796.86

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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.