Home / 31,354.92-43,270.53-17,207.75

Finding the Fourth Proportional to 31,354.92, 43,270.53 and 17,207.75

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Solution

The fourth proportional to 31,354.92, 43,270.53 and 17,207.75 is: 23,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.92 : 43,270.53 = 17,207.75 : x
  2. Step 2: Convert to fraction form
    31,354.92/43,270.53 = 17,207.75/x
  3. Step 3: Cross multiply
    31,354.92x = 43,270.53 × 17,207.75
  4. Step 4: Simplify right side
    31,354.92x = 744,588,462.61
  5. Step 5: Solve for x
    x = 744,588,462.61/31,354.92
  6. Step 6: Final answer
    x = 23,747.10

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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.