Home / 34,944.72-52,399.80-12,757.20

Finding the Fourth Proportional to 34,944.72, 52,399.80 and 12,757.20

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Solution

The fourth proportional to 34,944.72, 52,399.80 and 12,757.20 is: 19,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,944.72 : 52,399.80 = 12,757.20 : x
  2. Step 2: Convert to fraction form
    34,944.72/52,399.80 = 12,757.20/x
  3. Step 3: Cross multiply
    34,944.72x = 52,399.80 × 12,757.20
  4. Step 4: Simplify right side
    34,944.72x = 668,474,728.56
  5. Step 5: Solve for x
    x = 668,474,728.56/34,944.72
  6. Step 6: Final answer
    x = 19,129.49

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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.