Home / 40,222.46-60,377.82-31,955.60

Finding the Fourth Proportional to 40,222.46, 60,377.82 and 31,955.60

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Solution

The fourth proportional to 40,222.46, 60,377.82 and 31,955.60 is: 47,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,222.46 : 60,377.82 = 31,955.60 : x
  2. Step 2: Convert to fraction form
    40,222.46/60,377.82 = 31,955.60/x
  3. Step 3: Cross multiply
    40,222.46x = 60,377.82 × 31,955.60
  4. Step 4: Simplify right side
    40,222.46x = 1,929,409,464.79
  5. Step 5: Solve for x
    x = 1,929,409,464.79/40,222.46
  6. Step 6: Final answer
    x = 47,968.46

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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.