Home / 51,258.05-76,889.39-15,716.77

Finding the Fourth Proportional to 51,258.05, 76,889.39 and 15,716.77

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Solution

The fourth proportional to 51,258.05, 76,889.39 and 15,716.77 is: 23,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.05 : 76,889.39 = 15,716.77 : x
  2. Step 2: Convert to fraction form
    51,258.05/76,889.39 = 15,716.77/x
  3. Step 3: Cross multiply
    51,258.05x = 76,889.39 × 15,716.77
  4. Step 4: Simplify right side
    51,258.05x = 1,208,453,049.23
  5. Step 5: Solve for x
    x = 1,208,453,049.23/51,258.05
  6. Step 6: Final answer
    x = 23,575.87

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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.