Home / 31,759.08-47,638.62-10,971.24

Finding the Fourth Proportional to 31,759.08, 47,638.62 and 10,971.24

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Solution

The fourth proportional to 31,759.08, 47,638.62 and 10,971.24 is: 16,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759.08 : 47,638.62 = 10,971.24 : x
  2. Step 2: Convert to fraction form
    31,759.08/47,638.62 = 10,971.24/x
  3. Step 3: Cross multiply
    31,759.08x = 47,638.62 × 10,971.24
  4. Step 4: Simplify right side
    31,759.08x = 522,654,733.29
  5. Step 5: Solve for x
    x = 522,654,733.29/31,759.08
  6. Step 6: Final answer
    x = 16,456.86

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.