Home / 37,721.46-52,062.03-21,815.58

Finding the Fourth Proportional to 37,721.46, 52,062.03 and 21,815.58

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Solution

The fourth proportional to 37,721.46, 52,062.03 and 21,815.58 is: 30,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.46 : 52,062.03 = 21,815.58 : x
  2. Step 2: Convert to fraction form
    37,721.46/52,062.03 = 21,815.58/x
  3. Step 3: Cross multiply
    37,721.46x = 52,062.03 × 21,815.58
  4. Step 4: Simplify right side
    37,721.46x = 1,135,763,380.43
  5. Step 5: Solve for x
    x = 1,135,763,380.43/37,721.46
  6. Step 6: Final answer
    x = 30,109.21

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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.