Home / 31,996.40-47,954.10-12,248.60

Finding the Fourth Proportional to 31,996.40, 47,954.10 and 12,248.60

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Solution

The fourth proportional to 31,996.40, 47,954.10 and 12,248.60 is: 18,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.40 : 47,954.10 = 12,248.60 : x
  2. Step 2: Convert to fraction form
    31,996.40/47,954.10 = 12,248.60/x
  3. Step 3: Cross multiply
    31,996.40x = 47,954.10 × 12,248.60
  4. Step 4: Simplify right side
    31,996.40x = 587,370,589.26
  5. Step 5: Solve for x
    x = 587,370,589.26/31,996.40
  6. Step 6: Final answer
    x = 18,357.40

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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.