Home / 39,087,102.62-53,946,667.85-21,689,052.89

Finding the Fourth Proportional to 39,087,102.62, 53,946,667.85 and 21,689,052.89

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Solution

The fourth proportional to 39,087,102.62, 53,946,667.85 and 21,689,052.89 is: 29,934,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087,102.62 : 53,946,667.85 = 21,689,052.89 : x
  2. Step 2: Convert to fraction form
    39,087,102.62/53,946,667.85 = 21,689,052.89/x
  3. Step 3: Cross multiply
    39,087,102.62x = 53,946,667.85 × 21,689,052.89
  4. Step 4: Simplify right side
    39,087,102.62x = 1,170,052,131,859,734
  5. Step 5: Solve for x
    x = 1,170,052,131,859,734/39,087,102.62
  6. Step 6: Final answer
    x = 29,934,481.03

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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.