Home / 31,972.61-44,104.11-20,015.18

Finding the Fourth Proportional to 31,972.61, 44,104.11 and 20,015.18

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Solution

The fourth proportional to 31,972.61, 44,104.11 and 20,015.18 is: 27,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.61 : 44,104.11 = 20,015.18 : x
  2. Step 2: Convert to fraction form
    31,972.61/44,104.11 = 20,015.18/x
  3. Step 3: Cross multiply
    31,972.61x = 44,104.11 × 20,015.18
  4. Step 4: Simplify right side
    31,972.61x = 882,751,700.39
  5. Step 5: Solve for x
    x = 882,751,700.39/31,972.61
  6. Step 6: Final answer
    x = 27,609.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.