Home / 39,906.48-59,877.37-20,926.58

Finding the Fourth Proportional to 39,906.48, 59,877.37 and 20,926.58

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Solution

The fourth proportional to 39,906.48, 59,877.37 and 20,926.58 is: 31,399.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.48 : 59,877.37 = 20,926.58 : x
  2. Step 2: Convert to fraction form
    39,906.48/59,877.37 = 20,926.58/x
  3. Step 3: Cross multiply
    39,906.48x = 59,877.37 × 20,926.58
  4. Step 4: Simplify right side
    39,906.48x = 1,253,028,519.36
  5. Step 5: Solve for x
    x = 1,253,028,519.36/39,906.48
  6. Step 6: Final answer
    x = 31,399.12

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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.