Home / 51,431.28-70,959.42-33,519.78

Finding the Fourth Proportional to 51,431.28, 70,959.42 and 33,519.78

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Solution

The fourth proportional to 51,431.28, 70,959.42 and 33,519.78 is: 46,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,431.28 : 70,959.42 = 33,519.78 : x
  2. Step 2: Convert to fraction form
    51,431.28/70,959.42 = 33,519.78/x
  3. Step 3: Cross multiply
    51,431.28x = 70,959.42 × 33,519.78
  4. Step 4: Simplify right side
    51,431.28x = 2,378,544,147.33
  5. Step 5: Solve for x
    x = 2,378,544,147.33/51,431.28
  6. Step 6: Final answer
    x = 46,247.03

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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.