Home / 37,261.20-55,872.60-13,875.60

Finding the Fourth Proportional to 37,261.20, 55,872.60 and 13,875.60

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Solution

The fourth proportional to 37,261.20, 55,872.60 and 13,875.60 is: 20,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,261.20 : 55,872.60 = 13,875.60 : x
  2. Step 2: Convert to fraction form
    37,261.20/55,872.60 = 13,875.60/x
  3. Step 3: Cross multiply
    37,261.20x = 55,872.60 × 13,875.60
  4. Step 4: Simplify right side
    37,261.20x = 775,265,848.56
  5. Step 5: Solve for x
    x = 775,265,848.56/37,261.20
  6. Step 6: Final answer
    x = 20,806.25

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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.