Home / 30,068.91-41,513.94-19,318.14

Finding the Fourth Proportional to 30,068.91, 41,513.94 and 19,318.14

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Solution

The fourth proportional to 30,068.91, 41,513.94 and 19,318.14 is: 26,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.91 : 41,513.94 = 19,318.14 : x
  2. Step 2: Convert to fraction form
    30,068.91/41,513.94 = 19,318.14/x
  3. Step 3: Cross multiply
    30,068.91x = 41,513.94 × 19,318.14
  4. Step 4: Simplify right side
    30,068.91x = 801,972,104.87
  5. Step 5: Solve for x
    x = 801,972,104.87/30,068.91
  6. Step 6: Final answer
    x = 26,671.14

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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.