Home / 37,361.50-51,557.38-20,365.39

Finding the Fourth Proportional to 37,361.50, 51,557.38 and 20,365.39

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Solution

The fourth proportional to 37,361.50, 51,557.38 and 20,365.39 is: 28,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,361.50 : 51,557.38 = 20,365.39 : x
  2. Step 2: Convert to fraction form
    37,361.50/51,557.38 = 20,365.39/x
  3. Step 3: Cross multiply
    37,361.50x = 51,557.38 × 20,365.39
  4. Step 4: Simplify right side
    37,361.50x = 1,049,986,164.61
  5. Step 5: Solve for x
    x = 1,049,986,164.61/37,361.50
  6. Step 6: Final answer
    x = 28,103.42

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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.