Home / 45,923.64-68,876.76-12,635.40

Finding the Fourth Proportional to 45,923.64, 68,876.76 and 12,635.40

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Solution

The fourth proportional to 45,923.64, 68,876.76 and 12,635.40 is: 18,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,923.64 : 68,876.76 = 12,635.40 : x
  2. Step 2: Convert to fraction form
    45,923.64/68,876.76 = 12,635.40/x
  3. Step 3: Cross multiply
    45,923.64x = 68,876.76 × 12,635.40
  4. Step 4: Simplify right side
    45,923.64x = 870,285,413.30
  5. Step 5: Solve for x
    x = 870,285,413.30/45,923.64
  6. Step 6: Final answer
    x = 18,950.71

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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.