Home / 41,322.15-61,990.92-19,120.86

Finding the Fourth Proportional to 41,322.15, 61,990.92 and 19,120.86

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Solution

The fourth proportional to 41,322.15, 61,990.92 and 19,120.86 is: 28,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,322.15 : 61,990.92 = 19,120.86 : x
  2. Step 2: Convert to fraction form
    41,322.15/61,990.92 = 19,120.86/x
  3. Step 3: Cross multiply
    41,322.15x = 61,990.92 × 19,120.86
  4. Step 4: Simplify right side
    41,322.15x = 1,185,319,702.59
  5. Step 5: Solve for x
    x = 1,185,319,702.59/41,322.15
  6. Step 6: Final answer
    x = 28,684.85

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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.