Home / 30,112.20-45,150.06-13,469.13

Finding the Fourth Proportional to 30,112.20, 45,150.06 and 13,469.13

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Solution

The fourth proportional to 30,112.20, 45,150.06 and 13,469.13 is: 20,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.20 : 45,150.06 = 13,469.13 : x
  2. Step 2: Convert to fraction form
    30,112.20/45,150.06 = 13,469.13/x
  3. Step 3: Cross multiply
    30,112.20x = 45,150.06 × 13,469.13
  4. Step 4: Simplify right side
    30,112.20x = 608,132,027.65
  5. Step 5: Solve for x
    x = 608,132,027.65/30,112.20
  6. Step 6: Final answer
    x = 20,195.54

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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.