Home / 33,438.15-46,143.32-20,001.39

Finding the Fourth Proportional to 33,438.15, 46,143.32 and 20,001.39

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Solution

The fourth proportional to 33,438.15, 46,143.32 and 20,001.39 is: 27,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438.15 : 46,143.32 = 20,001.39 : x
  2. Step 2: Convert to fraction form
    33,438.15/46,143.32 = 20,001.39/x
  3. Step 3: Cross multiply
    33,438.15x = 46,143.32 × 20,001.39
  4. Step 4: Simplify right side
    33,438.15x = 922,930,439.21
  5. Step 5: Solve for x
    x = 922,930,439.21/33,438.15
  6. Step 6: Final answer
    x = 27,601.12

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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.