Home / 39,658.63-59,481.56-11,572.09

Finding the Fourth Proportional to 39,658.63, 59,481.56 and 11,572.09

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Solution

The fourth proportional to 39,658.63, 59,481.56 and 11,572.09 is: 17,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,658.63 : 59,481.56 = 11,572.09 : x
  2. Step 2: Convert to fraction form
    39,658.63/59,481.56 = 11,572.09/x
  3. Step 3: Cross multiply
    39,658.63x = 59,481.56 × 11,572.09
  4. Step 4: Simplify right side
    39,658.63x = 688,325,610.39
  5. Step 5: Solve for x
    x = 688,325,610.39/39,658.63
  6. Step 6: Final answer
    x = 17,356.27

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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.