Home / 36,004.10-53,973.27-12,617.78

Finding the Fourth Proportional to 36,004.10, 53,973.27 and 12,617.78

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Solution

The fourth proportional to 36,004.10, 53,973.27 and 12,617.78 is: 18,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.10 : 53,973.27 = 12,617.78 : x
  2. Step 2: Convert to fraction form
    36,004.10/53,973.27 = 12,617.78/x
  3. Step 3: Cross multiply
    36,004.10x = 53,973.27 × 12,617.78
  4. Step 4: Simplify right side
    36,004.10x = 681,022,576.87
  5. Step 5: Solve for x
    x = 681,022,576.87/36,004.10
  6. Step 6: Final answer
    x = 18,915.14

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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.