Home / 52,004.09-71,770.87-31,874.35

Finding the Fourth Proportional to 52,004.09, 71,770.87 and 31,874.35

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Solution

The fourth proportional to 52,004.09, 71,770.87 and 31,874.35 is: 43,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,004.09 : 71,770.87 = 31,874.35 : x
  2. Step 2: Convert to fraction form
    52,004.09/71,770.87 = 31,874.35/x
  3. Step 3: Cross multiply
    52,004.09x = 71,770.87 × 31,874.35
  4. Step 4: Simplify right side
    52,004.09x = 2,287,649,471.33
  5. Step 5: Solve for x
    x = 2,287,649,471.33/52,004.09
  6. Step 6: Final answer
    x = 43,989.80

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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.