Home / 40,144.54-55,402.60-22,241.20

Finding the Fourth Proportional to 40,144.54, 55,402.60 and 22,241.20

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Solution

The fourth proportional to 40,144.54, 55,402.60 and 22,241.20 is: 30,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144.54 : 55,402.60 = 22,241.20 : x
  2. Step 2: Convert to fraction form
    40,144.54/55,402.60 = 22,241.20/x
  3. Step 3: Cross multiply
    40,144.54x = 55,402.60 × 22,241.20
  4. Step 4: Simplify right side
    40,144.54x = 1,232,220,307.12
  5. Step 5: Solve for x
    x = 1,232,220,307.12/40,144.54
  6. Step 6: Final answer
    x = 30,694.59

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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.