Home / 39,201.75-54,098.87-21,297.03

Finding the Fourth Proportional to 39,201.75, 54,098.87 and 21,297.03

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Solution

The fourth proportional to 39,201.75, 54,098.87 and 21,297.03 is: 29,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.75 : 54,098.87 = 21,297.03 : x
  2. Step 2: Convert to fraction form
    39,201.75/54,098.87 = 21,297.03/x
  3. Step 3: Cross multiply
    39,201.75x = 54,098.87 × 21,297.03
  4. Step 4: Simplify right side
    39,201.75x = 1,152,145,150.87
  5. Step 5: Solve for x
    x = 1,152,145,150.87/39,201.75
  6. Step 6: Final answer
    x = 29,390.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.