Home / 72,872.75-109,321.58-33,433.24

Finding the Fourth Proportional to 72,872.75, 109,321.58 and 33,433.24

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Solution

The fourth proportional to 72,872.75, 109,321.58 and 33,433.24 is: 50,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,872.75 : 109,321.58 = 33,433.24 : x
  2. Step 2: Convert to fraction form
    72,872.75/109,321.58 = 33,433.24/x
  3. Step 3: Cross multiply
    72,872.75x = 109,321.58 × 33,433.24
  4. Step 4: Simplify right side
    72,872.75x = 3,654,974,621.32
  5. Step 5: Solve for x
    x = 3,654,974,621.32/72,872.75
  6. Step 6: Final answer
    x = 50,155.57

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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.