Home / 37,938.92-52,355.66-21,171.92

Finding the Fourth Proportional to 37,938.92, 52,355.66 and 21,171.92

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Solution

The fourth proportional to 37,938.92, 52,355.66 and 21,171.92 is: 29,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.92 : 52,355.66 = 21,171.92 : x
  2. Step 2: Convert to fraction form
    37,938.92/52,355.66 = 21,171.92/x
  3. Step 3: Cross multiply
    37,938.92x = 52,355.66 × 21,171.92
  4. Step 4: Simplify right side
    37,938.92x = 1,108,469,845.07
  5. Step 5: Solve for x
    x = 1,108,469,845.07/37,938.92
  6. Step 6: Final answer
    x = 29,217.22

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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.