Home / 31,191.08-43,043.47-17,043.89

Finding the Fourth Proportional to 31,191.08, 43,043.47 and 17,043.89

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Solution

The fourth proportional to 31,191.08, 43,043.47 and 17,043.89 is: 23,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.08 : 43,043.47 = 17,043.89 : x
  2. Step 2: Convert to fraction form
    31,191.08/43,043.47 = 17,043.89/x
  3. Step 3: Cross multiply
    31,191.08x = 43,043.47 × 17,043.89
  4. Step 4: Simplify right side
    31,191.08x = 733,627,910.07
  5. Step 5: Solve for x
    x = 733,627,910.07/31,191.08
  6. Step 6: Final answer
    x = 23,520.44

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Double scale
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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.