Home / 40,305.16-55,620.02-22,399.70

Finding the Fourth Proportional to 40,305.16, 55,620.02 and 22,399.70

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Solution

The fourth proportional to 40,305.16, 55,620.02 and 22,399.70 is: 30,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,305.16 : 55,620.02 = 22,399.70 : x
  2. Step 2: Convert to fraction form
    40,305.16/55,620.02 = 22,399.70/x
  3. Step 3: Cross multiply
    40,305.16x = 55,620.02 × 22,399.70
  4. Step 4: Simplify right side
    40,305.16x = 1,245,871,761.99
  5. Step 5: Solve for x
    x = 1,245,871,761.99/40,305.16
  6. Step 6: Final answer
    x = 30,910.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.