Home / 31,190.76-43,043.29-17,043.62

Finding the Fourth Proportional to 31,190.76, 43,043.29 and 17,043.62

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Solution

The fourth proportional to 31,190.76, 43,043.29 and 17,043.62 is: 23,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.76 : 43,043.29 = 17,043.62 : x
  2. Step 2: Convert to fraction form
    31,190.76/43,043.29 = 17,043.62/x
  3. Step 3: Cross multiply
    31,190.76x = 43,043.29 × 17,043.62
  4. Step 4: Simplify right side
    31,190.76x = 733,613,220.48
  5. Step 5: Solve for x
    x = 733,613,220.48/31,190.76
  6. Step 6: Final answer
    x = 23,520.21

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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.