Home / 51,690.26-71,238.56-40,353.86

Finding the Fourth Proportional to 51,690.26, 71,238.56 and 40,353.86

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Solution

The fourth proportional to 51,690.26, 71,238.56 and 40,353.86 is: 55,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,690.26 : 71,238.56 = 40,353.86 : x
  2. Step 2: Convert to fraction form
    51,690.26/71,238.56 = 40,353.86/x
  3. Step 3: Cross multiply
    51,690.26x = 71,238.56 × 40,353.86
  4. Step 4: Simplify right side
    51,690.26x = 2,874,750,876.84
  5. Step 5: Solve for x
    x = 2,874,750,876.84/51,690.26
  6. Step 6: Final answer
    x = 55,614.94

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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.