Home / 51,911.24-71,170.30-50,965.40

Finding the Fourth Proportional to 51,911.24, 71,170.30 and 50,965.40

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Solution

The fourth proportional to 51,911.24, 71,170.30 and 50,965.40 is: 69,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,911.24 : 71,170.30 = 50,965.40 : x
  2. Step 2: Convert to fraction form
    51,911.24/71,170.30 = 50,965.40/x
  3. Step 3: Cross multiply
    51,911.24x = 71,170.30 × 50,965.40
  4. Step 4: Simplify right side
    51,911.24x = 3,627,222,807.62
  5. Step 5: Solve for x
    x = 3,627,222,807.62/51,911.24
  6. Step 6: Final answer
    x = 69,873.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.