Home / 40,388.52-55,744.20-23,395.56

Finding the Fourth Proportional to 40,388.52, 55,744.20 and 23,395.56

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Solution

The fourth proportional to 40,388.52, 55,744.20 and 23,395.56 is: 32,290.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.52 : 55,744.20 = 23,395.56 : x
  2. Step 2: Convert to fraction form
    40,388.52/55,744.20 = 23,395.56/x
  3. Step 3: Cross multiply
    40,388.52x = 55,744.20 × 23,395.56
  4. Step 4: Simplify right side
    40,388.52x = 1,304,166,775.75
  5. Step 5: Solve for x
    x = 1,304,166,775.75/40,388.52
  6. Step 6: Final answer
    x = 32,290.53

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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.