Home / 40,209.54-55,489.50-22,305.72

Finding the Fourth Proportional to 40,209.54, 55,489.50 and 22,305.72

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Solution

The fourth proportional to 40,209.54, 55,489.50 and 22,305.72 is: 30,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.54 : 55,489.50 = 22,305.72 : x
  2. Step 2: Convert to fraction form
    40,209.54/55,489.50 = 22,305.72/x
  3. Step 3: Cross multiply
    40,209.54x = 55,489.50 × 22,305.72
  4. Step 4: Simplify right side
    40,209.54x = 1,237,733,249.94
  5. Step 5: Solve for x
    x = 1,237,733,249.94/40,209.54
  6. Step 6: Final answer
    x = 30,782.08

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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.