Home / 39,641.14-54,704.76-21,736.46

Finding the Fourth Proportional to 39,641.14, 54,704.76 and 21,736.46

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Solution

The fourth proportional to 39,641.14, 54,704.76 and 21,736.46 is: 29,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,641.14 : 54,704.76 = 21,736.46 : x
  2. Step 2: Convert to fraction form
    39,641.14/54,704.76 = 21,736.46/x
  3. Step 3: Cross multiply
    39,641.14x = 54,704.76 × 21,736.46
  4. Step 4: Simplify right side
    39,641.14x = 1,189,087,827.55
  5. Step 5: Solve for x
    x = 1,189,087,827.55/39,641.14
  6. Step 6: Final answer
    x = 29,996.31

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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.