Home / 39,764.31-59,644.91-13,469.06

Finding the Fourth Proportional to 39,764.31, 59,644.91 and 13,469.06

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Solution

The fourth proportional to 39,764.31, 59,644.91 and 13,469.06 is: 20,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.31 : 59,644.91 = 13,469.06 : x
  2. Step 2: Convert to fraction form
    39,764.31/59,644.91 = 13,469.06/x
  3. Step 3: Cross multiply
    39,764.31x = 59,644.91 × 13,469.06
  4. Step 4: Simplify right side
    39,764.31x = 803,360,606.93
  5. Step 5: Solve for x
    x = 803,360,606.93/39,764.31
  6. Step 6: Final answer
    x = 20,203.05

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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.