Home / 31,984.44-47,976.98-12,258.32

Finding the Fourth Proportional to 31,984.44, 47,976.98 and 12,258.32

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Solution

The fourth proportional to 31,984.44, 47,976.98 and 12,258.32 is: 18,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.44 : 47,976.98 = 12,258.32 : x
  2. Step 2: Convert to fraction form
    31,984.44/47,976.98 = 12,258.32/x
  3. Step 3: Cross multiply
    31,984.44x = 47,976.98 × 12,258.32
  4. Step 4: Simplify right side
    31,984.44x = 588,117,173.47
  5. Step 5: Solve for x
    x = 588,117,173.47/31,984.44
  6. Step 6: Final answer
    x = 18,387.60

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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.