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Finding the Fourth Proportional to 29,840.28, 44,760.43 and 7,653.66

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Solution

The fourth proportional to 29,840.28, 44,760.43 and 7,653.66 is: 11,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,840.28 : 44,760.43 = 7,653.66 : x
  2. Step 2: Convert to fraction form
    29,840.28/44,760.43 = 7,653.66/x
  3. Step 3: Cross multiply
    29,840.28x = 44,760.43 × 7,653.66
  4. Step 4: Simplify right side
    29,840.28x = 342,580,975.92
  5. Step 5: Solve for x
    x = 342,580,975.92/29,840.28
  6. Step 6: Final answer
    x = 11,480.49

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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.