Home / 39,129.90-58,688.73-11,052.06

Finding the Fourth Proportional to 39,129.90, 58,688.73 and 11,052.06

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Solution

The fourth proportional to 39,129.90, 58,688.73 and 11,052.06 is: 16,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.90 : 58,688.73 = 11,052.06 : x
  2. Step 2: Convert to fraction form
    39,129.90/58,688.73 = 11,052.06/x
  3. Step 3: Cross multiply
    39,129.90x = 58,688.73 × 11,052.06
  4. Step 4: Simplify right side
    39,129.90x = 648,631,365.28
  5. Step 5: Solve for x
    x = 648,631,365.28/39,129.90
  6. Step 6: Final answer
    x = 16,576.36

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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.