Home / 45,150.35-67,736.46-13,560.35

Finding the Fourth Proportional to 45,150.35, 67,736.46 and 13,560.35

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Solution

The fourth proportional to 45,150.35, 67,736.46 and 13,560.35 is: 20,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,150.35 : 67,736.46 = 13,560.35 : x
  2. Step 2: Convert to fraction form
    45,150.35/67,736.46 = 13,560.35/x
  3. Step 3: Cross multiply
    45,150.35x = 67,736.46 × 13,560.35
  4. Step 4: Simplify right side
    45,150.35x = 918,530,105.36
  5. Step 5: Solve for x
    x = 918,530,105.36/45,150.35
  6. Step 6: Final answer
    x = 20,343.81

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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.