Home / 39,531.78-59,201.69-21,735.27

Finding the Fourth Proportional to 39,531.78, 59,201.69 and 21,735.27

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Solution

The fourth proportional to 39,531.78, 59,201.69 and 21,735.27 is: 32,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.78 : 59,201.69 = 21,735.27 : x
  2. Step 2: Convert to fraction form
    39,531.78/59,201.69 = 21,735.27/x
  3. Step 3: Cross multiply
    39,531.78x = 59,201.69 × 21,735.27
  4. Step 4: Simplify right side
    39,531.78x = 1,286,764,607.93
  5. Step 5: Solve for x
    x = 1,286,764,607.93/39,531.78
  6. Step 6: Final answer
    x = 32,550.13

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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.