Home / 39,677.39-54,756.37-21,773.04

Finding the Fourth Proportional to 39,677.39, 54,756.37 and 21,773.04

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Solution

The fourth proportional to 39,677.39, 54,756.37 and 21,773.04 is: 30,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,677.39 : 54,756.37 = 21,773.04 : x
  2. Step 2: Convert to fraction form
    39,677.39/54,756.37 = 21,773.04/x
  3. Step 3: Cross multiply
    39,677.39x = 54,756.37 × 21,773.04
  4. Step 4: Simplify right side
    39,677.39x = 1,192,212,456.14
  5. Step 5: Solve for x
    x = 1,192,212,456.14/39,677.39
  6. Step 6: Final answer
    x = 30,047.65

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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.