Home / 31,850.36-47,769.16-30,269.66

Finding the Fourth Proportional to 31,850.36, 47,769.16 and 30,269.66

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Solution

The fourth proportional to 31,850.36, 47,769.16 and 30,269.66 is: 45,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.36 : 47,769.16 = 30,269.66 : x
  2. Step 2: Convert to fraction form
    31,850.36/47,769.16 = 30,269.66/x
  3. Step 3: Cross multiply
    31,850.36x = 47,769.16 × 30,269.66
  4. Step 4: Simplify right side
    31,850.36x = 1,445,956,231.69
  5. Step 5: Solve for x
    x = 1,445,956,231.69/31,850.36
  6. Step 6: Final answer
    x = 45,398.43

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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.