Home / 31,252.61-43,127.52-17,105.15

Finding the Fourth Proportional to 31,252.61, 43,127.52 and 17,105.15

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Solution

The fourth proportional to 31,252.61, 43,127.52 and 17,105.15 is: 23,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,252.61 : 43,127.52 = 17,105.15 : x
  2. Step 2: Convert to fraction form
    31,252.61/43,127.52 = 17,105.15/x
  3. Step 3: Cross multiply
    31,252.61x = 43,127.52 × 17,105.15
  4. Step 4: Simplify right side
    31,252.61x = 737,702,483.09
  5. Step 5: Solve for x
    x = 737,702,483.09/31,252.61
  6. Step 6: Final answer
    x = 23,604.51

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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.