Home / 39,355,203.57-54,311,823.53-21,715,250.42

Finding the Fourth Proportional to 39,355,203.57, 54,311,823.53 and 21,715,250.42

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Solution

The fourth proportional to 39,355,203.57, 54,311,823.53 and 21,715,250.42 is: 29,967,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,355,203.57 : 54,311,823.53 = 21,715,250.42 : x
  2. Step 2: Convert to fraction form
    39,355,203.57/54,311,823.53 = 21,715,250.42/x
  3. Step 3: Cross multiply
    39,355,203.57x = 54,311,823.53 × 21,715,250.42
  4. Step 4: Simplify right side
    39,355,203.57x = 1,179,394,848,829,434
  5. Step 5: Solve for x
    x = 1,179,394,848,829,434/39,355,203.57
  6. Step 6: Final answer
    x = 29,967,951.93

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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.