Home / 29,456.72-40,650.24-16,881.52

Finding the Fourth Proportional to 29,456.72, 40,650.24 and 16,881.52

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Solution

The fourth proportional to 29,456.72, 40,650.24 and 16,881.52 is: 23,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,456.72 : 40,650.24 = 16,881.52 : x
  2. Step 2: Convert to fraction form
    29,456.72/40,650.24 = 16,881.52/x
  3. Step 3: Cross multiply
    29,456.72x = 40,650.24 × 16,881.52
  4. Step 4: Simplify right side
    29,456.72x = 686,237,839.56
  5. Step 5: Solve for x
    x = 686,237,839.56/29,456.72
  6. Step 6: Final answer
    x = 23,296.48

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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.