Home / 34,587.82-51,764.45-21,269.18

Finding the Fourth Proportional to 34,587.82, 51,764.45 and 21,269.18

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Solution

The fourth proportional to 34,587.82, 51,764.45 and 21,269.18 is: 31,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,587.82 : 51,764.45 = 21,269.18 : x
  2. Step 2: Convert to fraction form
    34,587.82/51,764.45 = 21,269.18/x
  3. Step 3: Cross multiply
    34,587.82x = 51,764.45 × 21,269.18
  4. Step 4: Simplify right side
    34,587.82x = 1,100,987,313.36
  5. Step 5: Solve for x
    x = 1,100,987,313.36/34,587.82
  6. Step 6: Final answer
    x = 31,831.65

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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.