Home / 31,466.25-47,199.38-12,998.73

Finding the Fourth Proportional to 31,466.25, 47,199.38 and 12,998.73

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Solution

The fourth proportional to 31,466.25, 47,199.38 and 12,998.73 is: 19,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466.25 : 47,199.38 = 12,998.73 : x
  2. Step 2: Convert to fraction form
    31,466.25/47,199.38 = 12,998.73/x
  3. Step 3: Cross multiply
    31,466.25x = 47,199.38 × 12,998.73
  4. Step 4: Simplify right side
    31,466.25x = 613,531,996.79
  5. Step 5: Solve for x
    x = 613,531,996.79/31,466.25
  6. Step 6: Final answer
    x = 19,498.10

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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.