Home / 52,840.20-79,270.65-19,560.54

Finding the Fourth Proportional to 52,840.20, 79,270.65 and 19,560.54

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Solution

The fourth proportional to 52,840.20, 79,270.65 and 19,560.54 is: 29,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,840.20 : 79,270.65 = 19,560.54 : x
  2. Step 2: Convert to fraction form
    52,840.20/79,270.65 = 19,560.54/x
  3. Step 3: Cross multiply
    52,840.20x = 79,270.65 × 19,560.54
  4. Step 4: Simplify right side
    52,840.20x = 1,550,576,720.15
  5. Step 5: Solve for x
    x = 1,550,576,720.15/52,840.20
  6. Step 6: Final answer
    x = 29,344.64

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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.