Home / 39,858.08-59,676.40-20,076.66

Finding the Fourth Proportional to 39,858.08, 59,676.40 and 20,076.66

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Solution

The fourth proportional to 39,858.08, 59,676.40 and 20,076.66 is: 30,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.08 : 59,676.40 = 20,076.66 : x
  2. Step 2: Convert to fraction form
    39,858.08/59,676.40 = 20,076.66/x
  3. Step 3: Cross multiply
    39,858.08x = 59,676.40 × 20,076.66
  4. Step 4: Simplify right side
    39,858.08x = 1,198,102,704.99
  5. Step 5: Solve for x
    x = 1,198,102,704.99/39,858.08
  6. Step 6: Final answer
    x = 30,059.22

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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.