Home / 40,982.32-61,405.54-14,313.98

Finding the Fourth Proportional to 40,982.32, 61,405.54 and 14,313.98

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Solution

The fourth proportional to 40,982.32, 61,405.54 and 14,313.98 is: 21,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982.32 : 61,405.54 = 14,313.98 : x
  2. Step 2: Convert to fraction form
    40,982.32/61,405.54 = 14,313.98/x
  3. Step 3: Cross multiply
    40,982.32x = 61,405.54 × 14,313.98
  4. Step 4: Simplify right side
    40,982.32x = 878,957,292.85
  5. Step 5: Solve for x
    x = 878,957,292.85/40,982.32
  6. Step 6: Final answer
    x = 21,447.23

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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.