Home / 36,360.72-54,453.60-20,730.96

Finding the Fourth Proportional to 36,360.72, 54,453.60 and 20,730.96

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Solution

The fourth proportional to 36,360.72, 54,453.60 and 20,730.96 is: 31,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,360.72 : 54,453.60 = 20,730.96 : x
  2. Step 2: Convert to fraction form
    36,360.72/54,453.60 = 20,730.96/x
  3. Step 3: Cross multiply
    36,360.72x = 54,453.60 × 20,730.96
  4. Step 4: Simplify right side
    36,360.72x = 1,128,875,403.46
  5. Step 5: Solve for x
    x = 1,128,875,403.46/36,360.72
  6. Step 6: Final answer
    x = 31,046.56

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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.