Home / 36,007.20-54,004.50-9,705.78

Finding the Fourth Proportional to 36,007.20, 54,004.50 and 9,705.78

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Solution

The fourth proportional to 36,007.20, 54,004.50 and 9,705.78 is: 14,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,007.20 : 54,004.50 = 9,705.78 : x
  2. Step 2: Convert to fraction form
    36,007.20/54,004.50 = 9,705.78/x
  3. Step 3: Cross multiply
    36,007.20x = 54,004.50 × 9,705.78
  4. Step 4: Simplify right side
    36,007.20x = 524,155,796.01
  5. Step 5: Solve for x
    x = 524,155,796.01/36,007.20
  6. Step 6: Final answer
    x = 14,556.97

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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.