Home / 31,968.36-47,950.80-9,781.73

Finding the Fourth Proportional to 31,968.36, 47,950.80 and 9,781.73

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Solution

The fourth proportional to 31,968.36, 47,950.80 and 9,781.73 is: 14,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.36 : 47,950.80 = 9,781.73 : x
  2. Step 2: Convert to fraction form
    31,968.36/47,950.80 = 9,781.73/x
  3. Step 3: Cross multiply
    31,968.36x = 47,950.80 × 9,781.73
  4. Step 4: Simplify right side
    31,968.36x = 469,041,778.88
  5. Step 5: Solve for x
    x = 469,041,778.88/31,968.36
  6. Step 6: Final answer
    x = 14,672.06

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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.