Home / 51,039.60-76,560.62-19,445.55

Finding the Fourth Proportional to 51,039.60, 76,560.62 and 19,445.55

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Solution

The fourth proportional to 51,039.60, 76,560.62 and 19,445.55 is: 29,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,039.60 : 76,560.62 = 19,445.55 : x
  2. Step 2: Convert to fraction form
    51,039.60/76,560.62 = 19,445.55/x
  3. Step 3: Cross multiply
    51,039.60x = 76,560.62 × 19,445.55
  4. Step 4: Simplify right side
    51,039.60x = 1,488,763,267.01
  5. Step 5: Solve for x
    x = 1,488,763,267.01/51,039.60
  6. Step 6: Final answer
    x = 29,168.79

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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.