Home / 33,431.93-46,141.15-21,337.63

Finding the Fourth Proportional to 33,431.93, 46,141.15 and 21,337.63

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Solution

The fourth proportional to 33,431.93, 46,141.15 and 21,337.63 is: 29,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.93 : 46,141.15 = 21,337.63 : x
  2. Step 2: Convert to fraction form
    33,431.93/46,141.15 = 21,337.63/x
  3. Step 3: Cross multiply
    33,431.93x = 46,141.15 × 21,337.63
  4. Step 4: Simplify right side
    33,431.93x = 984,542,786.47
  5. Step 5: Solve for x
    x = 984,542,786.47/33,431.93
  6. Step 6: Final answer
    x = 29,449.18

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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.