Home / 39,004.62-53,826.10-21,099.36

Finding the Fourth Proportional to 39,004.62, 53,826.10 and 21,099.36

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Solution

The fourth proportional to 39,004.62, 53,826.10 and 21,099.36 is: 29,116.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,004.62 : 53,826.10 = 21,099.36 : x
  2. Step 2: Convert to fraction form
    39,004.62/53,826.10 = 21,099.36/x
  3. Step 3: Cross multiply
    39,004.62x = 53,826.10 × 21,099.36
  4. Step 4: Simplify right side
    39,004.62x = 1,135,696,261.30
  5. Step 5: Solve for x
    x = 1,135,696,261.30/39,004.62
  6. Step 6: Final answer
    x = 29,116.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.