Home / 39,996.55-60,004.68-11,916.48

Finding the Fourth Proportional to 39,996.55, 60,004.68 and 11,916.48

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Solution

The fourth proportional to 39,996.55, 60,004.68 and 11,916.48 is: 17,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996.55 : 60,004.68 = 11,916.48 : x
  2. Step 2: Convert to fraction form
    39,996.55/60,004.68 = 11,916.48/x
  3. Step 3: Cross multiply
    39,996.55x = 60,004.68 × 11,916.48
  4. Step 4: Simplify right side
    39,996.55x = 715,044,816.49
  5. Step 5: Solve for x
    x = 715,044,816.49/39,996.55
  6. Step 6: Final answer
    x = 17,877.66

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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.