Home / 40,165.29-55,428.11-22,261.46

Finding the Fourth Proportional to 40,165.29, 55,428.11 and 22,261.46

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Solution

The fourth proportional to 40,165.29, 55,428.11 and 22,261.46 is: 30,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.29 : 55,428.11 = 22,261.46 : x
  2. Step 2: Convert to fraction form
    40,165.29/55,428.11 = 22,261.46/x
  3. Step 3: Cross multiply
    40,165.29x = 55,428.11 × 22,261.46
  4. Step 4: Simplify right side
    40,165.29x = 1,233,910,390.41
  5. Step 5: Solve for x
    x = 1,233,910,390.41/40,165.29
  6. Step 6: Final answer
    x = 30,720.81

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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.