Home / 60,921.56-91,376.57-18,790.33

Finding the Fourth Proportional to 60,921.56, 91,376.57 and 18,790.33

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Solution

The fourth proportional to 60,921.56, 91,376.57 and 18,790.33 is: 28,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,921.56 : 91,376.57 = 18,790.33 : x
  2. Step 2: Convert to fraction form
    60,921.56/91,376.57 = 18,790.33/x
  3. Step 3: Cross multiply
    60,921.56x = 91,376.57 × 18,790.33
  4. Step 4: Simplify right side
    60,921.56x = 1,716,995,723.10
  5. Step 5: Solve for x
    x = 1,716,995,723.10/60,921.56
  6. Step 6: Final answer
    x = 28,183.71

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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.