Home / 21,371.95-32,058.79-8,043.60

Finding the Fourth Proportional to 21,371.95, 32,058.79 and 8,043.60

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Solution

The fourth proportional to 21,371.95, 32,058.79 and 8,043.60 is: 12,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.95 : 32,058.79 = 8,043.60 : x
  2. Step 2: Convert to fraction form
    21,371.95/32,058.79 = 8,043.60/x
  3. Step 3: Cross multiply
    21,371.95x = 32,058.79 × 8,043.60
  4. Step 4: Simplify right side
    21,371.95x = 257,868,183.36
  5. Step 5: Solve for x
    x = 257,868,183.36/21,371.95
  6. Step 6: Final answer
    x = 12,065.73

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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.