Home / 41,720.86-62,583.02-12,138.69

Finding the Fourth Proportional to 41,720.86, 62,583.02 and 12,138.69

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Solution

The fourth proportional to 41,720.86, 62,583.02 and 12,138.69 is: 18,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,720.86 : 62,583.02 = 12,138.69 : x
  2. Step 2: Convert to fraction form
    41,720.86/62,583.02 = 12,138.69/x
  3. Step 3: Cross multiply
    41,720.86x = 62,583.02 × 12,138.69
  4. Step 4: Simplify right side
    41,720.86x = 759,676,013.92
  5. Step 5: Solve for x
    x = 759,676,013.92/41,720.86
  6. Step 6: Final answer
    x = 18,208.54

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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.