Home / 30,236.96-41,731.62-21,767.12

Finding the Fourth Proportional to 30,236.96, 41,731.62 and 21,767.12

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Solution

The fourth proportional to 30,236.96, 41,731.62 and 21,767.12 is: 30,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.96 : 41,731.62 = 21,767.12 : x
  2. Step 2: Convert to fraction form
    30,236.96/41,731.62 = 21,767.12/x
  3. Step 3: Cross multiply
    30,236.96x = 41,731.62 × 21,767.12
  4. Step 4: Simplify right side
    30,236.96x = 908,377,180.33
  5. Step 5: Solve for x
    x = 908,377,180.33/30,236.96
  6. Step 6: Final answer
    x = 30,041.95

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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.