Home / 39,788.54-59,645.48-13,474.88

Finding the Fourth Proportional to 39,788.54, 59,645.48 and 13,474.88

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Solution

The fourth proportional to 39,788.54, 59,645.48 and 13,474.88 is: 20,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,788.54 : 59,645.48 = 13,474.88 : x
  2. Step 2: Convert to fraction form
    39,788.54/59,645.48 = 13,474.88/x
  3. Step 3: Cross multiply
    39,788.54x = 59,645.48 × 13,474.88
  4. Step 4: Simplify right side
    39,788.54x = 803,715,685.54
  5. Step 5: Solve for x
    x = 803,715,685.54/39,788.54
  6. Step 6: Final answer
    x = 20,199.68

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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.