Home / 33,431.86-46,134.98-18,324.20

Finding the Fourth Proportional to 33,431.86, 46,134.98 and 18,324.20

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Solution

The fourth proportional to 33,431.86, 46,134.98 and 18,324.20 is: 25,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.86 : 46,134.98 = 18,324.20 : x
  2. Step 2: Convert to fraction form
    33,431.86/46,134.98 = 18,324.20/x
  3. Step 3: Cross multiply
    33,431.86x = 46,134.98 × 18,324.20
  4. Step 4: Simplify right side
    33,431.86x = 845,386,600.52
  5. Step 5: Solve for x
    x = 845,386,600.52/33,431.86
  6. Step 6: Final answer
    x = 25,286.86

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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.