Home / 29,820.60-41,151.97-16,391.57

Finding the Fourth Proportional to 29,820.60, 41,151.97 and 16,391.57

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Solution

The fourth proportional to 29,820.60, 41,151.97 and 16,391.57 is: 22,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.60 : 41,151.97 = 16,391.57 : x
  2. Step 2: Convert to fraction form
    29,820.60/41,151.97 = 16,391.57/x
  3. Step 3: Cross multiply
    29,820.60x = 41,151.97 × 16,391.57
  4. Step 4: Simplify right side
    29,820.60x = 674,545,181.10
  5. Step 5: Solve for x
    x = 674,545,181.10/29,820.60
  6. Step 6: Final answer
    x = 22,620.11

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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.