Home / 40,379.46-60,513.66-20,616.36

Finding the Fourth Proportional to 40,379.46, 60,513.66 and 20,616.36

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Solution

The fourth proportional to 40,379.46, 60,513.66 and 20,616.36 is: 30,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.46 : 60,513.66 = 20,616.36 : x
  2. Step 2: Convert to fraction form
    40,379.46/60,513.66 = 20,616.36/x
  3. Step 3: Cross multiply
    40,379.46x = 60,513.66 × 20,616.36
  4. Step 4: Simplify right side
    40,379.46x = 1,247,571,399.48
  5. Step 5: Solve for x
    x = 1,247,571,399.48/40,379.46
  6. Step 6: Final answer
    x = 30,896.19

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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.