Home / 52,786.62-72,825.26-30,126.87

Finding the Fourth Proportional to 52,786.62, 72,825.26 and 30,126.87

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Solution

The fourth proportional to 52,786.62, 72,825.26 and 30,126.87 is: 41,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.62 : 72,825.26 = 30,126.87 : x
  2. Step 2: Convert to fraction form
    52,786.62/72,825.26 = 30,126.87/x
  3. Step 3: Cross multiply
    52,786.62x = 72,825.26 × 30,126.87
  4. Step 4: Simplify right side
    52,786.62x = 2,193,997,140.74
  5. Step 5: Solve for x
    x = 2,193,997,140.74/52,786.62
  6. Step 6: Final answer
    x = 41,563.51

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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.