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Finding the Fourth Proportional to 29,767.68, 44,661.24 and 21,440.88

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Solution

The fourth proportional to 29,767.68, 44,661.24 and 21,440.88 is: 32,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,767.68 : 44,661.24 = 21,440.88 : x
  2. Step 2: Convert to fraction form
    29,767.68/44,661.24 = 21,440.88/x
  3. Step 3: Cross multiply
    29,767.68x = 44,661.24 × 21,440.88
  4. Step 4: Simplify right side
    29,767.68x = 957,576,287.49
  5. Step 5: Solve for x
    x = 957,576,287.49/29,767.68
  6. Step 6: Final answer
    x = 32,168.32

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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.