Home / 40,223.46-60,379.32-31,956.60

Finding the Fourth Proportional to 40,223.46, 60,379.32 and 31,956.60

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Solution

The fourth proportional to 40,223.46, 60,379.32 and 31,956.60 is: 47,969.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.46 : 60,379.32 = 31,956.60 : x
  2. Step 2: Convert to fraction form
    40,223.46/60,379.32 = 31,956.60/x
  3. Step 3: Cross multiply
    40,223.46x = 60,379.32 × 31,956.60
  4. Step 4: Simplify right side
    40,223.46x = 1,929,517,777.51
  5. Step 5: Solve for x
    x = 1,929,517,777.51/40,223.46
  6. Step 6: Final answer
    x = 47,969.96

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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.