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Finding the Fourth Proportional to 34,363.65, 51,565.29 and 18,568.71

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Solution

The fourth proportional to 34,363.65, 51,565.29 and 18,568.71 is: 27,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,363.65 : 51,565.29 = 18,568.71 : x
  2. Step 2: Convert to fraction form
    34,363.65/51,565.29 = 18,568.71/x
  3. Step 3: Cross multiply
    34,363.65x = 51,565.29 × 18,568.71
  4. Step 4: Simplify right side
    34,363.65x = 957,500,916.08
  5. Step 5: Solve for x
    x = 957,500,916.08/34,363.65
  6. Step 6: Final answer
    x = 27,863.77

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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.