Home / 51,390.32-77,028.87-33,613.66

Finding the Fourth Proportional to 51,390.32, 77,028.87 and 33,613.66

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Solution

The fourth proportional to 51,390.32, 77,028.87 and 33,613.66 is: 50,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,390.32 : 77,028.87 = 33,613.66 : x
  2. Step 2: Convert to fraction form
    51,390.32/77,028.87 = 33,613.66/x
  3. Step 3: Cross multiply
    51,390.32x = 77,028.87 × 33,613.66
  4. Step 4: Simplify right side
    51,390.32x = 2,589,222,246.36
  5. Step 5: Solve for x
    x = 2,589,222,246.36/51,390.32
  6. Step 6: Final answer
    x = 50,383.46

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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.