Home / 40,336.22-55,665.34-22,187.72

Finding the Fourth Proportional to 40,336.22, 55,665.34 and 22,187.72

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Solution

The fourth proportional to 40,336.22, 55,665.34 and 22,187.72 is: 30,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,336.22 : 55,665.34 = 22,187.72 : x
  2. Step 2: Convert to fraction form
    40,336.22/55,665.34 = 22,187.72/x
  3. Step 3: Cross multiply
    40,336.22x = 55,665.34 × 22,187.72
  4. Step 4: Simplify right side
    40,336.22x = 1,235,086,873.01
  5. Step 5: Solve for x
    x = 1,235,086,873.01/40,336.22
  6. Step 6: Final answer
    x = 30,619.80

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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.