Home / 39,201.19-54,096.73-21,295.80

Finding the Fourth Proportional to 39,201.19, 54,096.73 and 21,295.80

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Solution

The fourth proportional to 39,201.19, 54,096.73 and 21,295.80 is: 29,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.19 : 54,096.73 = 21,295.80 : x
  2. Step 2: Convert to fraction form
    39,201.19/54,096.73 = 21,295.80/x
  3. Step 3: Cross multiply
    39,201.19x = 54,096.73 × 21,295.80
  4. Step 4: Simplify right side
    39,201.19x = 1,152,033,142.73
  5. Step 5: Solve for x
    x = 1,152,033,142.73/39,201.19
  6. Step 6: Final answer
    x = 29,387.71

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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.