Home / 37,787.75-52,147.09-20,791.63

Finding the Fourth Proportional to 37,787.75, 52,147.09 and 20,791.63

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Solution

The fourth proportional to 37,787.75, 52,147.09 and 20,791.63 is: 28,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,787.75 : 52,147.09 = 20,791.63 : x
  2. Step 2: Convert to fraction form
    37,787.75/52,147.09 = 20,791.63/x
  3. Step 3: Cross multiply
    37,787.75x = 52,147.09 × 20,791.63
  4. Step 4: Simplify right side
    37,787.75x = 1,084,223,092.03
  5. Step 5: Solve for x
    x = 1,084,223,092.03/37,787.75
  6. Step 6: Final answer
    x = 28,692.45

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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.