Home / 31,819.50-43,910.91-17,673.66

Finding the Fourth Proportional to 31,819.50, 43,910.91 and 17,673.66

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Solution

The fourth proportional to 31,819.50, 43,910.91 and 17,673.66 is: 24,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819.50 : 43,910.91 = 17,673.66 : x
  2. Step 2: Convert to fraction form
    31,819.50/43,910.91 = 17,673.66/x
  3. Step 3: Cross multiply
    31,819.50x = 43,910.91 × 17,673.66
  4. Step 4: Simplify right side
    31,819.50x = 776,066,493.63
  5. Step 5: Solve for x
    x = 776,066,493.63/31,819.50
  6. Step 6: Final answer
    x = 24,389.65

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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.