Home / 40,863.91-61,295.96-12,784.15

Finding the Fourth Proportional to 40,863.91, 61,295.96 and 12,784.15

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Solution

The fourth proportional to 40,863.91, 61,295.96 and 12,784.15 is: 19,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,863.91 : 61,295.96 = 12,784.15 : x
  2. Step 2: Convert to fraction form
    40,863.91/61,295.96 = 12,784.15/x
  3. Step 3: Cross multiply
    40,863.91x = 61,295.96 × 12,784.15
  4. Step 4: Simplify right side
    40,863.91x = 783,616,747.03
  5. Step 5: Solve for x
    x = 783,616,747.03/40,863.91
  6. Step 6: Final answer
    x = 19,176.25

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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.