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Finding the Fourth Proportional to 33,664.72, 50,497.08 and 9,040.72

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Solution

The fourth proportional to 33,664.72, 50,497.08 and 9,040.72 is: 13,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,664.72 : 50,497.08 = 9,040.72 : x
  2. Step 2: Convert to fraction form
    33,664.72/50,497.08 = 9,040.72/x
  3. Step 3: Cross multiply
    33,664.72x = 50,497.08 × 9,040.72
  4. Step 4: Simplify right side
    33,664.72x = 456,529,961.10
  5. Step 5: Solve for x
    x = 456,529,961.10/33,664.72
  6. Step 6: Final answer
    x = 13,561.08

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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.