Home / 52,771.20-72,822.83-30,109.78

Finding the Fourth Proportional to 52,771.20, 72,822.83 and 30,109.78

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Solution

The fourth proportional to 52,771.20, 72,822.83 and 30,109.78 is: 41,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771.20 : 72,822.83 = 30,109.78 : x
  2. Step 2: Convert to fraction form
    52,771.20/72,822.83 = 30,109.78/x
  3. Step 3: Cross multiply
    52,771.20x = 72,822.83 × 30,109.78
  4. Step 4: Simplify right side
    52,771.20x = 2,192,679,090.50
  5. Step 5: Solve for x
    x = 2,192,679,090.50/52,771.20
  6. Step 6: Final answer
    x = 41,550.68

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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.