Home / 31,704.88-43,750.20-17,558.32

Finding the Fourth Proportional to 31,704.88, 43,750.20 and 17,558.32

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Solution

The fourth proportional to 31,704.88, 43,750.20 and 17,558.32 is: 24,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704.88 : 43,750.20 = 17,558.32 : x
  2. Step 2: Convert to fraction form
    31,704.88/43,750.20 = 17,558.32/x
  3. Step 3: Cross multiply
    31,704.88x = 43,750.20 × 17,558.32
  4. Step 4: Simplify right side
    31,704.88x = 768,180,011.66
  5. Step 5: Solve for x
    x = 768,180,011.66/31,704.88
  6. Step 6: Final answer
    x = 24,229.08

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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.