Home / 55,188.56-82,783.64-15,745.70

Finding the Fourth Proportional to 55,188.56, 82,783.64 and 15,745.70

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Solution

The fourth proportional to 55,188.56, 82,783.64 and 15,745.70 is: 23,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.56 : 82,783.64 = 15,745.70 : x
  2. Step 2: Convert to fraction form
    55,188.56/82,783.64 = 15,745.70/x
  3. Step 3: Cross multiply
    55,188.56x = 82,783.64 × 15,745.70
  4. Step 4: Simplify right side
    55,188.56x = 1,303,486,606.67
  5. Step 5: Solve for x
    x = 1,303,486,606.67/55,188.56
  6. Step 6: Final answer
    x = 23,618.78

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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.