Home / 40,408.83-55,760.19-22,505.50

Finding the Fourth Proportional to 40,408.83, 55,760.19 and 22,505.50

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Solution

The fourth proportional to 40,408.83, 55,760.19 and 22,505.50 is: 31,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,408.83 : 55,760.19 = 22,505.50 : x
  2. Step 2: Convert to fraction form
    40,408.83/55,760.19 = 22,505.50/x
  3. Step 3: Cross multiply
    40,408.83x = 55,760.19 × 22,505.50
  4. Step 4: Simplify right side
    40,408.83x = 1,254,910,732.25
  5. Step 5: Solve for x
    x = 1,254,910,732.25/40,408.83
  6. Step 6: Final answer
    x = 31,055.36

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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.