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Finding the Fourth Proportional to 33,712.25, 50,574.87 and 12,934.13

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Solution

The fourth proportional to 33,712.25, 50,574.87 and 12,934.13 is: 19,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,712.25 : 50,574.87 = 12,934.13 : x
  2. Step 2: Convert to fraction form
    33,712.25/50,574.87 = 12,934.13/x
  3. Step 3: Cross multiply
    33,712.25x = 50,574.87 × 12,934.13
  4. Step 4: Simplify right side
    33,712.25x = 654,141,690.44
  5. Step 5: Solve for x
    x = 654,141,690.44/33,712.25
  6. Step 6: Final answer
    x = 19,403.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.