Home / 31,342.53-47,014.10-7,968.97

Finding the Fourth Proportional to 31,342.53, 47,014.10 and 7,968.97

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Solution

The fourth proportional to 31,342.53, 47,014.10 and 7,968.97 is: 11,953.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.53 : 47,014.10 = 7,968.97 : x
  2. Step 2: Convert to fraction form
    31,342.53/47,014.10 = 7,968.97/x
  3. Step 3: Cross multiply
    31,342.53x = 47,014.10 × 7,968.97
  4. Step 4: Simplify right side
    31,342.53x = 374,653,952.48
  5. Step 5: Solve for x
    x = 374,653,952.48/31,342.53
  6. Step 6: Final answer
    x = 11,953.53

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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.