Home / 31,980.97-47,971.58-9,794.26

Finding the Fourth Proportional to 31,980.97, 47,971.58 and 9,794.26

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Solution

The fourth proportional to 31,980.97, 47,971.58 and 9,794.26 is: 14,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,980.97 : 47,971.58 = 9,794.26 : x
  2. Step 2: Convert to fraction form
    31,980.97/47,971.58 = 9,794.26/x
  3. Step 3: Cross multiply
    31,980.97x = 47,971.58 × 9,794.26
  4. Step 4: Simplify right side
    31,980.97x = 469,846,127.13
  5. Step 5: Solve for x
    x = 469,846,127.13/31,980.97
  6. Step 6: Final answer
    x = 14,691.43

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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.