Home / 43,321.71-64,953.77-15,616.11

Finding the Fourth Proportional to 43,321.71, 64,953.77 and 15,616.11

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Solution

The fourth proportional to 43,321.71, 64,953.77 and 15,616.11 is: 23,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321.71 : 64,953.77 = 15,616.11 : x
  2. Step 2: Convert to fraction form
    43,321.71/64,953.77 = 15,616.11/x
  3. Step 3: Cross multiply
    43,321.71x = 64,953.77 × 15,616.11
  4. Step 4: Simplify right side
    43,321.71x = 1,014,325,139.15
  5. Step 5: Solve for x
    x = 1,014,325,139.15/43,321.71
  6. Step 6: Final answer
    x = 23,413.78

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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.