Home / 31,344.39-47,012.27-11,620.22

Finding the Fourth Proportional to 31,344.39, 47,012.27 and 11,620.22

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Solution

The fourth proportional to 31,344.39, 47,012.27 and 11,620.22 is: 17,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.39 : 47,012.27 = 11,620.22 : x
  2. Step 2: Convert to fraction form
    31,344.39/47,012.27 = 11,620.22/x
  3. Step 3: Cross multiply
    31,344.39x = 47,012.27 × 11,620.22
  4. Step 4: Simplify right side
    31,344.39x = 546,292,626.94
  5. Step 5: Solve for x
    x = 546,292,626.94/31,344.39
  6. Step 6: Final answer
    x = 17,428.72

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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.