Home / 49,721.40-74,537.82-18,125.46

Finding the Fourth Proportional to 49,721.40, 74,537.82 and 18,125.46

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Solution

The fourth proportional to 49,721.40, 74,537.82 and 18,125.46 is: 27,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.40 : 74,537.82 = 18,125.46 : x
  2. Step 2: Convert to fraction form
    49,721.40/74,537.82 = 18,125.46/x
  3. Step 3: Cross multiply
    49,721.40x = 74,537.82 × 18,125.46
  4. Step 4: Simplify right side
    49,721.40x = 1,351,032,274.90
  5. Step 5: Solve for x
    x = 1,351,032,274.90/49,721.40
  6. Step 6: Final answer
    x = 27,172.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.