Home / 39,645.78-59,477.82-13,349.88

Finding the Fourth Proportional to 39,645.78, 59,477.82 and 13,349.88

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Solution

The fourth proportional to 39,645.78, 59,477.82 and 13,349.88 is: 20,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,645.78 : 59,477.82 = 13,349.88 : x
  2. Step 2: Convert to fraction form
    39,645.78/59,477.82 = 13,349.88/x
  3. Step 3: Cross multiply
    39,645.78x = 59,477.82 × 13,349.88
  4. Step 4: Simplify right side
    39,645.78x = 794,021,759.66
  5. Step 5: Solve for x
    x = 794,021,759.66/39,645.78
  6. Step 6: Final answer
    x = 20,027.90

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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.