Home / 31,441.72-43,392.20-17,297.16

Finding the Fourth Proportional to 31,441.72, 43,392.20 and 17,297.16

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Solution

The fourth proportional to 31,441.72, 43,392.20 and 17,297.16 is: 23,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.72 : 43,392.20 = 17,297.16 : x
  2. Step 2: Convert to fraction form
    31,441.72/43,392.20 = 17,297.16/x
  3. Step 3: Cross multiply
    31,441.72x = 43,392.20 × 17,297.16
  4. Step 4: Simplify right side
    31,441.72x = 750,561,826.15
  5. Step 5: Solve for x
    x = 750,561,826.15/31,441.72
  6. Step 6: Final answer
    x = 23,871.53

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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.