Home / 31,162.70-46,766.60-12,190.13

Finding the Fourth Proportional to 31,162.70, 46,766.60 and 12,190.13

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Solution

The fourth proportional to 31,162.70, 46,766.60 and 12,190.13 is: 18,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,162.70 : 46,766.60 = 12,190.13 : x
  2. Step 2: Convert to fraction form
    31,162.70/46,766.60 = 12,190.13/x
  3. Step 3: Cross multiply
    31,162.70x = 46,766.60 × 12,190.13
  4. Step 4: Simplify right side
    31,162.70x = 570,091,108.69
  5. Step 5: Solve for x
    x = 570,091,108.69/31,162.70
  6. Step 6: Final answer
    x = 18,294.02

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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.