Home / 36,105.74-49,827.28-20,190.15

Finding the Fourth Proportional to 36,105.74, 49,827.28 and 20,190.15

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Solution

The fourth proportional to 36,105.74, 49,827.28 and 20,190.15 is: 27,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.74 : 49,827.28 = 20,190.15 : x
  2. Step 2: Convert to fraction form
    36,105.74/49,827.28 = 20,190.15/x
  3. Step 3: Cross multiply
    36,105.74x = 49,827.28 × 20,190.15
  4. Step 4: Simplify right side
    36,105.74x = 1,006,020,257.29
  5. Step 5: Solve for x
    x = 1,006,020,257.29/36,105.74
  6. Step 6: Final answer
    x = 27,863.17

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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.