Home / 41,309.64-61,789.50-28,012.68

Finding the Fourth Proportional to 41,309.64, 61,789.50 and 28,012.68

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Solution

The fourth proportional to 41,309.64, 61,789.50 and 28,012.68 is: 41,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,309.64 : 61,789.50 = 28,012.68 : x
  2. Step 2: Convert to fraction form
    41,309.64/61,789.50 = 28,012.68/x
  3. Step 3: Cross multiply
    41,309.64x = 61,789.50 × 28,012.68
  4. Step 4: Simplify right side
    41,309.64x = 1,730,889,490.86
  5. Step 5: Solve for x
    x = 1,730,889,490.86/41,309.64
  6. Step 6: Final answer
    x = 41,900.38

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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.