Home / 29,100.78-40,156.08-16,351.94

Finding the Fourth Proportional to 29,100.78, 40,156.08 and 16,351.94

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Solution

The fourth proportional to 29,100.78, 40,156.08 and 16,351.94 is: 22,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,100.78 : 40,156.08 = 16,351.94 : x
  2. Step 2: Convert to fraction form
    29,100.78/40,156.08 = 16,351.94/x
  3. Step 3: Cross multiply
    29,100.78x = 40,156.08 × 16,351.94
  4. Step 4: Simplify right side
    29,100.78x = 656,629,810.80
  5. Step 5: Solve for x
    x = 656,629,810.80/29,100.78
  6. Step 6: Final answer
    x = 22,563.99

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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.