Home / 29,467.78-40,666.40-16,039.91

Finding the Fourth Proportional to 29,467.78, 40,666.40 and 16,039.91

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Solution

The fourth proportional to 29,467.78, 40,666.40 and 16,039.91 is: 22,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,467.78 : 40,666.40 = 16,039.91 : x
  2. Step 2: Convert to fraction form
    29,467.78/40,666.40 = 16,039.91/x
  3. Step 3: Cross multiply
    29,467.78x = 40,666.40 × 16,039.91
  4. Step 4: Simplify right side
    29,467.78x = 652,285,396.02
  5. Step 5: Solve for x
    x = 652,285,396.02/29,467.78
  6. Step 6: Final answer
    x = 22,135.55

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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.