Home / 39,610.20-59,424.30-13,317.60

Finding the Fourth Proportional to 39,610.20, 59,424.30 and 13,317.60

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Solution

The fourth proportional to 39,610.20, 59,424.30 and 13,317.60 is: 19,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,610.20 : 59,424.30 = 13,317.60 : x
  2. Step 2: Convert to fraction form
    39,610.20/59,424.30 = 13,317.60/x
  3. Step 3: Cross multiply
    39,610.20x = 59,424.30 × 13,317.60
  4. Step 4: Simplify right side
    39,610.20x = 791,389,057.68
  5. Step 5: Solve for x
    x = 791,389,057.68/39,610.20
  6. Step 6: Final answer
    x = 19,979.43

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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.