Home / 51,908.78-77,850.21-16,858.46

Finding the Fourth Proportional to 51,908.78, 77,850.21 and 16,858.46

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Solution

The fourth proportional to 51,908.78, 77,850.21 and 16,858.46 is: 25,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,908.78 : 77,850.21 = 16,858.46 : x
  2. Step 2: Convert to fraction form
    51,908.78/77,850.21 = 16,858.46/x
  3. Step 3: Cross multiply
    51,908.78x = 77,850.21 × 16,858.46
  4. Step 4: Simplify right side
    51,908.78x = 1,312,434,651.28
  5. Step 5: Solve for x
    x = 1,312,434,651.28/51,908.78
  6. Step 6: Final answer
    x = 25,283.48

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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.