Home / 57,364.18-86,033.29-21,812.82

Finding the Fourth Proportional to 57,364.18, 86,033.29 and 21,812.82

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Solution

The fourth proportional to 57,364.18, 86,033.29 and 21,812.82 is: 32,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,364.18 : 86,033.29 = 21,812.82 : x
  2. Step 2: Convert to fraction form
    57,364.18/86,033.29 = 21,812.82/x
  3. Step 3: Cross multiply
    57,364.18x = 86,033.29 × 21,812.82
  4. Step 4: Simplify right side
    57,364.18x = 1,876,628,668.78
  5. Step 5: Solve for x
    x = 1,876,628,668.78/57,364.18
  6. Step 6: Final answer
    x = 32,714.29

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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.