Home / 36,328.72-54,405.60-20,698.96

Finding the Fourth Proportional to 36,328.72, 54,405.60 and 20,698.96

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Solution

The fourth proportional to 36,328.72, 54,405.60 and 20,698.96 is: 30,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,328.72 : 54,405.60 = 20,698.96 : x
  2. Step 2: Convert to fraction form
    36,328.72/54,405.60 = 20,698.96/x
  3. Step 3: Cross multiply
    36,328.72x = 54,405.60 × 20,698.96
  4. Step 4: Simplify right side
    36,328.72x = 1,126,139,338.18
  5. Step 5: Solve for x
    x = 1,126,139,338.18/36,328.72
  6. Step 6: Final answer
    x = 30,998.60

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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.