Home / 38,972.24-58,474.56-21,440.60

Finding the Fourth Proportional to 38,972.24, 58,474.56 and 21,440.60

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Solution

The fourth proportional to 38,972.24, 58,474.56 and 21,440.60 is: 32,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.24 : 58,474.56 = 21,440.60 : x
  2. Step 2: Convert to fraction form
    38,972.24/58,474.56 = 21,440.60/x
  3. Step 3: Cross multiply
    38,972.24x = 58,474.56 × 21,440.60
  4. Step 4: Simplify right side
    38,972.24x = 1,253,729,651.14
  5. Step 5: Solve for x
    x = 1,253,729,651.14/38,972.24
  6. Step 6: Final answer
    x = 32,169.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.