Home / 30,324.80-45,500.24-11,610.48

Finding the Fourth Proportional to 30,324.80, 45,500.24 and 11,610.48

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Solution

The fourth proportional to 30,324.80, 45,500.24 and 11,610.48 is: 17,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,324.80 : 45,500.24 = 11,610.48 : x
  2. Step 2: Convert to fraction form
    30,324.80/45,500.24 = 11,610.48/x
  3. Step 3: Cross multiply
    30,324.80x = 45,500.24 × 11,610.48
  4. Step 4: Simplify right side
    30,324.80x = 528,279,626.52
  5. Step 5: Solve for x
    x = 528,279,626.52/30,324.80
  6. Step 6: Final answer
    x = 17,420.71

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1.5x scale

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.