Home / 52,107.13-71,910.66-29,447.07

Finding the Fourth Proportional to 52,107.13, 71,910.66 and 29,447.07

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Solution

The fourth proportional to 52,107.13, 71,910.66 and 29,447.07 is: 40,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,107.13 : 71,910.66 = 29,447.07 : x
  2. Step 2: Convert to fraction form
    52,107.13/71,910.66 = 29,447.07/x
  3. Step 3: Cross multiply
    52,107.13x = 71,910.66 × 29,447.07
  4. Step 4: Simplify right side
    52,107.13x = 2,117,558,238.77
  5. Step 5: Solve for x
    x = 2,117,558,238.77/52,107.13
  6. Step 6: Final answer
    x = 40,638.55

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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.