Home / 31,973.62-47,958.66-9,786.97

Finding the Fourth Proportional to 31,973.62, 47,958.66 and 9,786.97

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Solution

The fourth proportional to 31,973.62, 47,958.66 and 9,786.97 is: 14,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973.62 : 47,958.66 = 9,786.97 : x
  2. Step 2: Convert to fraction form
    31,973.62/47,958.66 = 9,786.97/x
  3. Step 3: Cross multiply
    31,973.62x = 47,958.66 × 9,786.97
  4. Step 4: Simplify right side
    31,973.62x = 469,369,966.66
  5. Step 5: Solve for x
    x = 469,369,966.66/31,973.62
  6. Step 6: Final answer
    x = 14,679.91

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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.