Home / 55,577.44-83,355.08-20,037.78

Finding the Fourth Proportional to 55,577.44, 83,355.08 and 20,037.78

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Solution

The fourth proportional to 55,577.44, 83,355.08 and 20,037.78 is: 30,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,577.44 : 83,355.08 = 20,037.78 : x
  2. Step 2: Convert to fraction form
    55,577.44/83,355.08 = 20,037.78/x
  3. Step 3: Cross multiply
    55,577.44x = 83,355.08 × 20,037.78
  4. Step 4: Simplify right side
    55,577.44x = 1,670,250,654.73
  5. Step 5: Solve for x
    x = 1,670,250,654.73/55,577.44
  6. Step 6: Final answer
    x = 30,052.67

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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.