Home / 51,908.42-71,558.97-36,978.50

Finding the Fourth Proportional to 51,908.42, 71,558.97 and 36,978.50

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Solution

The fourth proportional to 51,908.42, 71,558.97 and 36,978.50 is: 50,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,908.42 : 71,558.97 = 36,978.50 : x
  2. Step 2: Convert to fraction form
    51,908.42/71,558.97 = 36,978.50/x
  3. Step 3: Cross multiply
    51,908.42x = 71,558.97 × 36,978.50
  4. Step 4: Simplify right side
    51,908.42x = 2,646,143,372.15
  5. Step 5: Solve for x
    x = 2,646,143,372.15/51,908.42
  6. Step 6: Final answer
    x = 50,977.15

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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.