Home / 31,464.75-47,197.13-12,997.23

Finding the Fourth Proportional to 31,464.75, 47,197.13 and 12,997.23

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Solution

The fourth proportional to 31,464.75, 47,197.13 and 12,997.23 is: 19,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.75 : 47,197.13 = 12,997.23 : x
  2. Step 2: Convert to fraction form
    31,464.75/47,197.13 = 12,997.23/x
  3. Step 3: Cross multiply
    31,464.75x = 47,197.13 × 12,997.23
  4. Step 4: Simplify right side
    31,464.75x = 613,431,888.96
  5. Step 5: Solve for x
    x = 613,431,888.96/31,464.75
  6. Step 6: Final answer
    x = 19,495.85

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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.