Home / 51,446.40-71,004.24-30,230.88

Finding the Fourth Proportional to 51,446.40, 71,004.24 and 30,230.88

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Solution

The fourth proportional to 51,446.40, 71,004.24 and 30,230.88 is: 41,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,446.40 : 71,004.24 = 30,230.88 : x
  2. Step 2: Convert to fraction form
    51,446.40/71,004.24 = 30,230.88/x
  3. Step 3: Cross multiply
    51,446.40x = 71,004.24 × 30,230.88
  4. Step 4: Simplify right side
    51,446.40x = 2,146,520,658.93
  5. Step 5: Solve for x
    x = 2,146,520,658.93/51,446.40
  6. Step 6: Final answer
    x = 41,723.44

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1.5x scale

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.