Home / 51,039.42-76,415.34-38,519.64

Finding the Fourth Proportional to 51,039.42, 76,415.34 and 38,519.64

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Solution

The fourth proportional to 51,039.42, 76,415.34 and 38,519.64 is: 57,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,039.42 : 76,415.34 = 38,519.64 : x
  2. Step 2: Convert to fraction form
    51,039.42/76,415.34 = 38,519.64/x
  3. Step 3: Cross multiply
    51,039.42x = 76,415.34 × 38,519.64
  4. Step 4: Simplify right side
    51,039.42x = 2,943,491,387.28
  5. Step 5: Solve for x
    x = 2,943,491,387.28/51,039.42
  6. Step 6: Final answer
    x = 57,670.94

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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.