Home / 29,818.25-41,150.12-16,390.54

Finding the Fourth Proportional to 29,818.25, 41,150.12 and 16,390.54

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Solution

The fourth proportional to 29,818.25, 41,150.12 and 16,390.54 is: 22,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,818.25 : 41,150.12 = 16,390.54 : x
  2. Step 2: Convert to fraction form
    29,818.25/41,150.12 = 16,390.54/x
  3. Step 3: Cross multiply
    29,818.25x = 41,150.12 × 16,390.54
  4. Step 4: Simplify right side
    29,818.25x = 674,472,687.86
  5. Step 5: Solve for x
    x = 674,472,687.86/29,818.25
  6. Step 6: Final answer
    x = 22,619.46

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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.