Home / 53,020.17-73,137.33-31,787.10

Finding the Fourth Proportional to 53,020.17, 73,137.33 and 31,787.10

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Solution

The fourth proportional to 53,020.17, 73,137.33 and 31,787.10 is: 43,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.17 : 73,137.33 = 31,787.10 : x
  2. Step 2: Convert to fraction form
    53,020.17/73,137.33 = 31,787.10/x
  3. Step 3: Cross multiply
    53,020.17x = 73,137.33 × 31,787.10
  4. Step 4: Simplify right side
    53,020.17x = 2,324,823,622.44
  5. Step 5: Solve for x
    x = 2,324,823,622.44/53,020.17
  6. Step 6: Final answer
    x = 43,847.91

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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.