Home / 21,058.70-31,589.60-6,065.21

Finding the Fourth Proportional to 21,058.70, 31,589.60 and 6,065.21

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Solution

The fourth proportional to 21,058.70, 31,589.60 and 6,065.21 is: 9,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.70 : 31,589.60 = 6,065.21 : x
  2. Step 2: Convert to fraction form
    21,058.70/31,589.60 = 6,065.21/x
  3. Step 3: Cross multiply
    21,058.70x = 31,589.60 × 6,065.21
  4. Step 4: Simplify right side
    21,058.70x = 191,597,606.46
  5. Step 5: Solve for x
    x = 191,597,606.46/21,058.70
  6. Step 6: Final answer
    x = 9,098.27

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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.