Home / 40,157.72-55,418.12-22,253.03

Finding the Fourth Proportional to 40,157.72, 55,418.12 and 22,253.03

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Solution

The fourth proportional to 40,157.72, 55,418.12 and 22,253.03 is: 30,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.72 : 55,418.12 = 22,253.03 : x
  2. Step 2: Convert to fraction form
    40,157.72/55,418.12 = 22,253.03/x
  3. Step 3: Cross multiply
    40,157.72x = 55,418.12 × 22,253.03
  4. Step 4: Simplify right side
    40,157.72x = 1,233,221,114.99
  5. Step 5: Solve for x
    x = 1,233,221,114.99/40,157.72
  6. Step 6: Final answer
    x = 30,709.44

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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.