Home / 31,559.40-47,331.81-9,367.43

Finding the Fourth Proportional to 31,559.40, 47,331.81 and 9,367.43

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Solution

The fourth proportional to 31,559.40, 47,331.81 and 9,367.43 is: 14,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559.40 : 47,331.81 = 9,367.43 : x
  2. Step 2: Convert to fraction form
    31,559.40/47,331.81 = 9,367.43/x
  3. Step 3: Cross multiply
    31,559.40x = 47,331.81 × 9,367.43
  4. Step 4: Simplify right side
    31,559.40x = 443,377,180.29
  5. Step 5: Solve for x
    x = 443,377,180.29/31,559.40
  6. Step 6: Final answer
    x = 14,048.97

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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.