Home / 39,793.10-54,913.14-21,887.96

Finding the Fourth Proportional to 39,793.10, 54,913.14 and 21,887.96

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Solution

The fourth proportional to 39,793.10, 54,913.14 and 21,887.96 is: 30,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,793.10 : 54,913.14 = 21,887.96 : x
  2. Step 2: Convert to fraction form
    39,793.10/54,913.14 = 21,887.96/x
  3. Step 3: Cross multiply
    39,793.10x = 54,913.14 × 21,887.96
  4. Step 4: Simplify right side
    39,793.10x = 1,201,936,337.23
  5. Step 5: Solve for x
    x = 1,201,936,337.23/39,793.10
  6. Step 6: Final answer
    x = 30,204.65

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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.