Home / 34,251.42-51,406.29-13,489.50

Finding the Fourth Proportional to 34,251.42, 51,406.29 and 13,489.50

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Solution

The fourth proportional to 34,251.42, 51,406.29 and 13,489.50 is: 20,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,251.42 : 51,406.29 = 13,489.50 : x
  2. Step 2: Convert to fraction form
    34,251.42/51,406.29 = 13,489.50/x
  3. Step 3: Cross multiply
    34,251.42x = 51,406.29 × 13,489.50
  4. Step 4: Simplify right side
    34,251.42x = 693,445,148.96
  5. Step 5: Solve for x
    x = 693,445,148.96/34,251.42
  6. Step 6: Final answer
    x = 20,245.73

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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.