Home / 49,291.50-68,023.63-30,170.89

Finding the Fourth Proportional to 49,291.50, 68,023.63 and 30,170.89

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Solution

The fourth proportional to 49,291.50, 68,023.63 and 30,170.89 is: 41,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,291.50 : 68,023.63 = 30,170.89 : x
  2. Step 2: Convert to fraction form
    49,291.50/68,023.63 = 30,170.89/x
  3. Step 3: Cross multiply
    49,291.50x = 68,023.63 × 30,170.89
  4. Step 4: Simplify right side
    49,291.50x = 2,052,333,458.13
  5. Step 5: Solve for x
    x = 2,052,333,458.13/49,291.50
  6. Step 6: Final answer
    x = 41,636.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.