Home / 51,179.07-70,627.62-29,958.78

Finding the Fourth Proportional to 51,179.07, 70,627.62 and 29,958.78

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Solution

The fourth proportional to 51,179.07, 70,627.62 and 29,958.78 is: 41,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.07 : 70,627.62 = 29,958.78 : x
  2. Step 2: Convert to fraction form
    51,179.07/70,627.62 = 29,958.78/x
  3. Step 3: Cross multiply
    51,179.07x = 70,627.62 × 29,958.78
  4. Step 4: Simplify right side
    51,179.07x = 2,115,917,329.50
  5. Step 5: Solve for x
    x = 2,115,917,329.50/51,179.07
  6. Step 6: Final answer
    x = 41,343.41

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1.5x scale

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.