Home / 45,865.13-68,808.51-14,273.70

Finding the Fourth Proportional to 45,865.13, 68,808.51 and 14,273.70

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Solution

The fourth proportional to 45,865.13, 68,808.51 and 14,273.70 is: 21,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,865.13 : 68,808.51 = 14,273.70 : x
  2. Step 2: Convert to fraction form
    45,865.13/68,808.51 = 14,273.70/x
  3. Step 3: Cross multiply
    45,865.13x = 68,808.51 × 14,273.70
  4. Step 4: Simplify right side
    45,865.13x = 982,152,029.19
  5. Step 5: Solve for x
    x = 982,152,029.19/45,865.13
  6. Step 6: Final answer
    x = 21,413.92

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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.