Home / 53,181.91-73,399.14-40,414.28

Finding the Fourth Proportional to 53,181.91, 73,399.14 and 40,414.28

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Solution

The fourth proportional to 53,181.91, 73,399.14 and 40,414.28 is: 55,777.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.91 : 73,399.14 = 40,414.28 : x
  2. Step 2: Convert to fraction form
    53,181.91/73,399.14 = 40,414.28/x
  3. Step 3: Cross multiply
    53,181.91x = 73,399.14 × 40,414.28
  4. Step 4: Simplify right side
    53,181.91x = 2,966,373,193.65
  5. Step 5: Solve for x
    x = 2,966,373,193.65/53,181.91
  6. Step 6: Final answer
    x = 55,777.87

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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.