Home / 51,691.43-71,325.63-30,474.79

Finding the Fourth Proportional to 51,691.43, 71,325.63 and 30,474.79

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Solution

The fourth proportional to 51,691.43, 71,325.63 and 30,474.79 is: 42,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,691.43 : 71,325.63 = 30,474.79 : x
  2. Step 2: Convert to fraction form
    51,691.43/71,325.63 = 30,474.79/x
  3. Step 3: Cross multiply
    51,691.43x = 71,325.63 × 30,474.79
  4. Step 4: Simplify right side
    51,691.43x = 2,173,633,595.87
  5. Step 5: Solve for x
    x = 2,173,633,595.87/51,691.43
  6. Step 6: Final answer
    x = 42,050.17

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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.