Home / 39,090,558.39-53,944,949.50-21,449,576.85

Finding the Fourth Proportional to 39,090,558.39, 53,944,949.50 and 21,449,576.85

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Solution

The fourth proportional to 39,090,558.39, 53,944,949.50 and 21,449,576.85 is: 29,600,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090,558.39 : 53,944,949.50 = 21,449,576.85 : x
  2. Step 2: Convert to fraction form
    39,090,558.39/53,944,949.50 = 21,449,576.85/x
  3. Step 3: Cross multiply
    39,090,558.39x = 53,944,949.50 × 21,449,576.85
  4. Step 4: Simplify right side
    39,090,558.39x = 1,157,096,339,969,619.25
  5. Step 5: Solve for x
    x = 1,157,096,339,969,619.25/39,090,558.39
  6. Step 6: Final answer
    x = 29,600,404.49

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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.