Home / 51,581.52-71,195.16-31,449.50

Finding the Fourth Proportional to 51,581.52, 71,195.16 and 31,449.50

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Solution

The fourth proportional to 51,581.52, 71,195.16 and 31,449.50 is: 43,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,581.52 : 71,195.16 = 31,449.50 : x
  2. Step 2: Convert to fraction form
    51,581.52/71,195.16 = 31,449.50/x
  3. Step 3: Cross multiply
    51,581.52x = 71,195.16 × 31,449.50
  4. Step 4: Simplify right side
    51,581.52x = 2,239,052,184.42
  5. Step 5: Solve for x
    x = 2,239,052,184.42/51,581.52
  6. Step 6: Final answer
    x = 43,408.03

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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.