Home / 21,582.70-32,371.71-5,789.30

Finding the Fourth Proportional to 21,582.70, 32,371.71 and 5,789.30

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Solution

The fourth proportional to 21,582.70, 32,371.71 and 5,789.30 is: 8,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.70 : 32,371.71 = 5,789.30 : x
  2. Step 2: Convert to fraction form
    21,582.70/32,371.71 = 5,789.30/x
  3. Step 3: Cross multiply
    21,582.70x = 32,371.71 × 5,789.30
  4. Step 4: Simplify right side
    21,582.70x = 187,409,540.70
  5. Step 5: Solve for x
    x = 187,409,540.70/21,582.70
  6. Step 6: Final answer
    x = 8,683.32

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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.