Home / 40,326.36-55,650.19-22,420.29

Finding the Fourth Proportional to 40,326.36, 55,650.19 and 22,420.29

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Solution

The fourth proportional to 40,326.36, 55,650.19 and 22,420.29 is: 30,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,326.36 : 55,650.19 = 22,420.29 : x
  2. Step 2: Convert to fraction form
    40,326.36/55,650.19 = 22,420.29/x
  3. Step 3: Cross multiply
    40,326.36x = 55,650.19 × 22,420.29
  4. Step 4: Simplify right side
    40,326.36x = 1,247,693,593.03
  5. Step 5: Solve for x
    x = 1,247,693,593.03/40,326.36
  6. Step 6: Final answer
    x = 30,939.90

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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.