Home / 39,383.11-59,055.48-13,078.97

Finding the Fourth Proportional to 39,383.11, 59,055.48 and 13,078.97

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Solution

The fourth proportional to 39,383.11, 59,055.48 and 13,078.97 is: 19,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.11 : 59,055.48 = 13,078.97 : x
  2. Step 2: Convert to fraction form
    39,383.11/59,055.48 = 13,078.97/x
  3. Step 3: Cross multiply
    39,383.11x = 59,055.48 × 13,078.97
  4. Step 4: Simplify right side
    39,383.11x = 772,384,777.44
  5. Step 5: Solve for x
    x = 772,384,777.44/39,383.11
  6. Step 6: Final answer
    x = 19,612.08

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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.