Home / 29,131.35-43,740.78-16,665.45

Finding the Fourth Proportional to 29,131.35, 43,740.78 and 16,665.45

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Solution

The fourth proportional to 29,131.35, 43,740.78 and 16,665.45 is: 25,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.35 : 43,740.78 = 16,665.45 : x
  2. Step 2: Convert to fraction form
    29,131.35/43,740.78 = 16,665.45/x
  3. Step 3: Cross multiply
    29,131.35x = 43,740.78 × 16,665.45
  4. Step 4: Simplify right side
    29,131.35x = 728,959,782.05
  5. Step 5: Solve for x
    x = 728,959,782.05/29,131.35
  6. Step 6: Final answer
    x = 25,023.21

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1.5x scale

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.