Home / 31,812.40-43,905.90-22,889.44

Finding the Fourth Proportional to 31,812.40, 43,905.90 and 22,889.44

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Solution

The fourth proportional to 31,812.40, 43,905.90 and 22,889.44 is: 31,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.40 : 43,905.90 = 22,889.44 : x
  2. Step 2: Convert to fraction form
    31,812.40/43,905.90 = 22,889.44/x
  3. Step 3: Cross multiply
    31,812.40x = 43,905.90 × 22,889.44
  4. Step 4: Simplify right side
    31,812.40x = 1,004,981,463.70
  5. Step 5: Solve for x
    x = 1,004,981,463.70/31,812.40
  6. Step 6: Final answer
    x = 31,590.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.