Home / 34,120.46-51,145.61-13,055.55

Finding the Fourth Proportional to 34,120.46, 51,145.61 and 13,055.55

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Solution

The fourth proportional to 34,120.46, 51,145.61 and 13,055.55 is: 19,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,120.46 : 51,145.61 = 13,055.55 : x
  2. Step 2: Convert to fraction form
    34,120.46/51,145.61 = 13,055.55/x
  3. Step 3: Cross multiply
    34,120.46x = 51,145.61 × 13,055.55
  4. Step 4: Simplify right side
    34,120.46x = 667,734,003.36
  5. Step 5: Solve for x
    x = 667,734,003.36/34,120.46
  6. Step 6: Final answer
    x = 19,569.90

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1.5x scale

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.