Home / 29,829.72-41,166-16,401.45

Finding the Fourth Proportional to 29,829.72, 41,166 and 16,401.45

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Solution

The fourth proportional to 29,829.72, 41,166 and 16,401.45 is: 22,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,829.72 : 41,166 = 16,401.45 : x
  2. Step 2: Convert to fraction form
    29,829.72/41,166 = 16,401.45/x
  3. Step 3: Cross multiply
    29,829.72x = 41,166 × 16,401.45
  4. Step 4: Simplify right side
    29,829.72x = 675,182,090.70
  5. Step 5: Solve for x
    x = 675,182,090.70/29,829.72
  6. Step 6: Final answer
    x = 22,634.54

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1.5x scale

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.