Home / 54,106.62-74,650.68-31,441.20

Finding the Fourth Proportional to 54,106.62, 74,650.68 and 31,441.20

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Solution

The fourth proportional to 54,106.62, 74,650.68 and 31,441.20 is: 43,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106.62 : 74,650.68 = 31,441.20 : x
  2. Step 2: Convert to fraction form
    54,106.62/74,650.68 = 31,441.20/x
  3. Step 3: Cross multiply
    54,106.62x = 74,650.68 × 31,441.20
  4. Step 4: Simplify right side
    54,106.62x = 2,347,106,960.02
  5. Step 5: Solve for x
    x = 2,347,106,960.02/54,106.62
  6. Step 6: Final answer
    x = 43,379.29

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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.