Home / 39,204.14-54,102.29-21,299.49

Finding the Fourth Proportional to 39,204.14, 54,102.29 and 21,299.49

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Solution

The fourth proportional to 39,204.14, 54,102.29 and 21,299.49 is: 29,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,204.14 : 54,102.29 = 21,299.49 : x
  2. Step 2: Convert to fraction form
    39,204.14/54,102.29 = 21,299.49/x
  3. Step 3: Cross multiply
    39,204.14x = 54,102.29 × 21,299.49
  4. Step 4: Simplify right side
    39,204.14x = 1,152,351,078.33
  5. Step 5: Solve for x
    x = 1,152,351,078.33/39,204.14
  6. Step 6: Final answer
    x = 29,393.61

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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.