Home / 31,181.61-43,031.57-17,035.37

Finding the Fourth Proportional to 31,181.61, 43,031.57 and 17,035.37

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Solution

The fourth proportional to 31,181.61, 43,031.57 and 17,035.37 is: 23,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.61 : 43,031.57 = 17,035.37 : x
  2. Step 2: Convert to fraction form
    31,181.61/43,031.57 = 17,035.37/x
  3. Step 3: Cross multiply
    31,181.61x = 43,031.57 × 17,035.37
  4. Step 4: Simplify right side
    31,181.61x = 733,058,716.63
  5. Step 5: Solve for x
    x = 733,058,716.63/31,181.61
  6. Step 6: Final answer
    x = 23,509.33

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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.