Home / 33,112.92-45,695.43-19,684.74

Finding the Fourth Proportional to 33,112.92, 45,695.43 and 19,684.74

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Solution

The fourth proportional to 33,112.92, 45,695.43 and 19,684.74 is: 27,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.92 : 45,695.43 = 19,684.74 : x
  2. Step 2: Convert to fraction form
    33,112.92/45,695.43 = 19,684.74/x
  3. Step 3: Cross multiply
    33,112.92x = 45,695.43 × 19,684.74
  4. Step 4: Simplify right side
    33,112.92x = 899,502,658.74
  5. Step 5: Solve for x
    x = 899,502,658.74/33,112.92
  6. Step 6: Final answer
    x = 27,164.70

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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.