Home / 31,465.25-47,197.88-12,997.73

Finding the Fourth Proportional to 31,465.25, 47,197.88 and 12,997.73

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Solution

The fourth proportional to 31,465.25, 47,197.88 and 12,997.73 is: 19,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.25 : 47,197.88 = 12,997.73 : x
  2. Step 2: Convert to fraction form
    31,465.25/47,197.88 = 12,997.73/x
  3. Step 3: Cross multiply
    31,465.25x = 47,197.88 × 12,997.73
  4. Step 4: Simplify right side
    31,465.25x = 613,465,235.82
  5. Step 5: Solve for x
    x = 613,465,235.82/31,465.25
  6. Step 6: Final answer
    x = 19,496.60

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Double scale
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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.