Home / 41,485.86-62,232.30-18,128.70

Finding the Fourth Proportional to 41,485.86, 62,232.30 and 18,128.70

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Solution

The fourth proportional to 41,485.86, 62,232.30 and 18,128.70 is: 27,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,485.86 : 62,232.30 = 18,128.70 : x
  2. Step 2: Convert to fraction form
    41,485.86/62,232.30 = 18,128.70/x
  3. Step 3: Cross multiply
    41,485.86x = 62,232.30 × 18,128.70
  4. Step 4: Simplify right side
    41,485.86x = 1,128,190,697.01
  5. Step 5: Solve for x
    x = 1,128,190,697.01/41,485.86
  6. Step 6: Final answer
    x = 27,194.58

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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.