Home / 39,204.06-54,101.31-21,299.21

Finding the Fourth Proportional to 39,204.06, 54,101.31 and 21,299.21

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Solution

The fourth proportional to 39,204.06, 54,101.31 and 21,299.21 is: 29,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,204.06 : 54,101.31 = 21,299.21 : x
  2. Step 2: Convert to fraction form
    39,204.06/54,101.31 = 21,299.21/x
  3. Step 3: Cross multiply
    39,204.06x = 54,101.31 × 21,299.21
  4. Step 4: Simplify right side
    39,204.06x = 1,152,315,015.47
  5. Step 5: Solve for x
    x = 1,152,315,015.47/39,204.06
  6. Step 6: Final answer
    x = 29,392.75

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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.