Home / 55,143.17-82,722.96-25,563.99

Finding the Fourth Proportional to 55,143.17, 82,722.96 and 25,563.99

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Solution

The fourth proportional to 55,143.17, 82,722.96 and 25,563.99 is: 38,349.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143.17 : 82,722.96 = 25,563.99 : x
  2. Step 2: Convert to fraction form
    55,143.17/82,722.96 = 25,563.99/x
  3. Step 3: Cross multiply
    55,143.17x = 82,722.96 × 25,563.99
  4. Step 4: Simplify right side
    55,143.17x = 2,114,728,922.21
  5. Step 5: Solve for x
    x = 2,114,728,922.21/55,143.17
  6. Step 6: Final answer
    x = 38,349.79

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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.