Home / 55,517.60-83,267.76-18,078.32

Finding the Fourth Proportional to 55,517.60, 83,267.76 and 18,078.32

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Solution

The fourth proportional to 55,517.60, 83,267.76 and 18,078.32 is: 27,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.60 : 83,267.76 = 18,078.32 : x
  2. Step 2: Convert to fraction form
    55,517.60/83,267.76 = 18,078.32/x
  3. Step 3: Cross multiply
    55,517.60x = 83,267.76 × 18,078.32
  4. Step 4: Simplify right side
    55,517.60x = 1,505,341,210.96
  5. Step 5: Solve for x
    x = 1,505,341,210.96/55,517.60
  6. Step 6: Final answer
    x = 27,114.67

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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.