Home / 39,838.05-59,757.05-12,136.05

Finding the Fourth Proportional to 39,838.05, 59,757.05 and 12,136.05

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Solution

The fourth proportional to 39,838.05, 59,757.05 and 12,136.05 is: 18,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.05 : 59,757.05 = 12,136.05 : x
  2. Step 2: Convert to fraction form
    39,838.05/59,757.05 = 12,136.05/x
  3. Step 3: Cross multiply
    39,838.05x = 59,757.05 × 12,136.05
  4. Step 4: Simplify right side
    39,838.05x = 725,214,485.97
  5. Step 5: Solve for x
    x = 725,214,485.97/39,838.05
  6. Step 6: Final answer
    x = 18,204.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.