Home / 40,165.20-55,427.98-22,261.36

Finding the Fourth Proportional to 40,165.20, 55,427.98 and 22,261.36

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Solution

The fourth proportional to 40,165.20, 55,427.98 and 22,261.36 is: 30,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.20 : 55,427.98 = 22,261.36 : x
  2. Step 2: Convert to fraction form
    40,165.20/55,427.98 = 22,261.36/x
  3. Step 3: Cross multiply
    40,165.20x = 55,427.98 × 22,261.36
  4. Step 4: Simplify right side
    40,165.20x = 1,233,902,313.96
  5. Step 5: Solve for x
    x = 1,233,902,313.96/40,165.20
  6. Step 6: Final answer
    x = 30,720.68

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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.