Home / 31,297.46-43,165.36-27,512.58

Finding the Fourth Proportional to 31,297.46, 43,165.36 and 27,512.58

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Solution

The fourth proportional to 31,297.46, 43,165.36 and 27,512.58 is: 37,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.46 : 43,165.36 = 27,512.58 : x
  2. Step 2: Convert to fraction form
    31,297.46/43,165.36 = 27,512.58/x
  3. Step 3: Cross multiply
    31,297.46x = 43,165.36 × 27,512.58
  4. Step 4: Simplify right side
    31,297.46x = 1,187,590,420.23
  5. Step 5: Solve for x
    x = 1,187,590,420.23/31,297.46
  6. Step 6: Final answer
    x = 37,945.27

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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.