Home / 39,087,102.69-53,946,667.94-21,689,052.94

Finding the Fourth Proportional to 39,087,102.69, 53,946,667.94 and 21,689,052.94

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Solution

The fourth proportional to 39,087,102.69, 53,946,667.94 and 21,689,052.94 is: 29,934,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087,102.69 : 53,946,667.94 = 21,689,052.94 : x
  2. Step 2: Convert to fraction form
    39,087,102.69/53,946,667.94 = 21,689,052.94/x
  3. Step 3: Cross multiply
    39,087,102.69x = 53,946,667.94 × 21,689,052.94
  4. Step 4: Simplify right side
    39,087,102.69x = 1,170,052,136,778,815.50
  5. Step 5: Solve for x
    x = 1,170,052,136,778,815.50/39,087,102.69
  6. Step 6: Final answer
    x = 29,934,481.11

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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.