Home / 31,342.12-47,013.36-7,968.58

Finding the Fourth Proportional to 31,342.12, 47,013.36 and 7,968.58

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Solution

The fourth proportional to 31,342.12, 47,013.36 and 7,968.58 is: 11,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,342.12 : 47,013.36 = 7,968.58 : x
  2. Step 2: Convert to fraction form
    31,342.12/47,013.36 = 7,968.58/x
  3. Step 3: Cross multiply
    31,342.12x = 47,013.36 × 7,968.58
  4. Step 4: Simplify right side
    31,342.12x = 374,629,720.23
  5. Step 5: Solve for x
    x = 374,629,720.23/31,342.12
  6. Step 6: Final answer
    x = 11,952.92

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1.5x scale

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.