Home / 41,025.85-61,485.45-18,520

Finding the Fourth Proportional to 41,025.85, 61,485.45 and 18,520

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Solution

The fourth proportional to 41,025.85, 61,485.45 and 18,520 is: 27,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,025.85 : 61,485.45 = 18,520 : x
  2. Step 2: Convert to fraction form
    41,025.85/61,485.45 = 18,520/x
  3. Step 3: Cross multiply
    41,025.85x = 61,485.45 × 18,520
  4. Step 4: Simplify right side
    41,025.85x = 1,138,710,534
  5. Step 5: Solve for x
    x = 1,138,710,534/41,025.85
  6. Step 6: Final answer
    x = 27,755.93

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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.