Home / 29,147.86-43,721.82-8,371.36

Finding the Fourth Proportional to 29,147.86, 43,721.82 and 8,371.36

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Solution

The fourth proportional to 29,147.86, 43,721.82 and 8,371.36 is: 12,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.86 : 43,721.82 = 8,371.36 : x
  2. Step 2: Convert to fraction form
    29,147.86/43,721.82 = 8,371.36/x
  3. Step 3: Cross multiply
    29,147.86x = 43,721.82 × 8,371.36
  4. Step 4: Simplify right side
    29,147.86x = 366,011,095.08
  5. Step 5: Solve for x
    x = 366,011,095.08/29,147.86
  6. Step 6: Final answer
    x = 12,557.05

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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.