Home / 39,204.24-54,101.94-21,299.10

Finding the Fourth Proportional to 39,204.24, 54,101.94 and 21,299.10

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Solution

The fourth proportional to 39,204.24, 54,101.94 and 21,299.10 is: 29,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,204.24 : 54,101.94 = 21,299.10 : x
  2. Step 2: Convert to fraction form
    39,204.24/54,101.94 = 21,299.10/x
  3. Step 3: Cross multiply
    39,204.24x = 54,101.94 × 21,299.10
  4. Step 4: Simplify right side
    39,204.24x = 1,152,322,630.25
  5. Step 5: Solve for x
    x = 1,152,322,630.25/39,204.24
  6. Step 6: Final answer
    x = 29,392.81

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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.