Home / 31,969.61-44,099.97-20,012.18

Finding the Fourth Proportional to 31,969.61, 44,099.97 and 20,012.18

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Solution

The fourth proportional to 31,969.61, 44,099.97 and 20,012.18 is: 27,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969.61 : 44,099.97 = 20,012.18 : x
  2. Step 2: Convert to fraction form
    31,969.61/44,099.97 = 20,012.18/x
  3. Step 3: Cross multiply
    31,969.61x = 44,099.97 × 20,012.18
  4. Step 4: Simplify right side
    31,969.61x = 882,536,537.63
  5. Step 5: Solve for x
    x = 882,536,537.63/31,969.61
  6. Step 6: Final answer
    x = 27,605.48

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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.