Home / 37,938.28-52,354.82-21,171.28

Finding the Fourth Proportional to 37,938.28, 52,354.82 and 21,171.28

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Solution

The fourth proportional to 37,938.28, 52,354.82 and 21,171.28 is: 29,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.28 : 52,354.82 = 21,171.28 : x
  2. Step 2: Convert to fraction form
    37,938.28/52,354.82 = 21,171.28/x
  3. Step 3: Cross multiply
    37,938.28x = 52,354.82 × 21,171.28
  4. Step 4: Simplify right side
    37,938.28x = 1,108,418,553.57
  5. Step 5: Solve for x
    x = 1,108,418,553.57/37,938.28
  6. Step 6: Final answer
    x = 29,216.36

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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.