Home / 39,840.78-59,747.23-11,753.37

Finding the Fourth Proportional to 39,840.78, 59,747.23 and 11,753.37

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Solution

The fourth proportional to 39,840.78, 59,747.23 and 11,753.37 is: 17,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.78 : 59,747.23 = 11,753.37 : x
  2. Step 2: Convert to fraction form
    39,840.78/59,747.23 = 11,753.37/x
  3. Step 3: Cross multiply
    39,840.78x = 59,747.23 × 11,753.37
  4. Step 4: Simplify right side
    39,840.78x = 702,231,300.67
  5. Step 5: Solve for x
    x = 702,231,300.67/39,840.78
  6. Step 6: Final answer
    x = 17,625.94

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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.