Home / 41,125.64-61,679.24-18,917.70

Finding the Fourth Proportional to 41,125.64, 61,679.24 and 18,917.70

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Solution

The fourth proportional to 41,125.64, 61,679.24 and 18,917.70 is: 28,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,125.64 : 61,679.24 = 18,917.70 : x
  2. Step 2: Convert to fraction form
    41,125.64/61,679.24 = 18,917.70/x
  3. Step 3: Cross multiply
    41,125.64x = 61,679.24 × 18,917.70
  4. Step 4: Simplify right side
    41,125.64x = 1,166,829,358.55
  5. Step 5: Solve for x
    x = 1,166,829,358.55/41,125.64
  6. Step 6: Final answer
    x = 28,372.31

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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.