Home / 39,720.36-59,587.89-13,067.85

Finding the Fourth Proportional to 39,720.36, 59,587.89 and 13,067.85

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Solution

The fourth proportional to 39,720.36, 59,587.89 and 13,067.85 is: 19,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,720.36 : 59,587.89 = 13,067.85 : x
  2. Step 2: Convert to fraction form
    39,720.36/59,587.89 = 13,067.85/x
  3. Step 3: Cross multiply
    39,720.36x = 59,587.89 × 13,067.85
  4. Step 4: Simplify right side
    39,720.36x = 778,685,608.34
  5. Step 5: Solve for x
    x = 778,685,608.34/39,720.36
  6. Step 6: Final answer
    x = 19,604.19

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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.