Home / 39,996.81-60,012.73-18,951.87

Finding the Fourth Proportional to 39,996.81, 60,012.73 and 18,951.87

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Solution

The fourth proportional to 39,996.81, 60,012.73 and 18,951.87 is: 28,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,996.81 : 60,012.73 = 18,951.87 : x
  2. Step 2: Convert to fraction form
    39,996.81/60,012.73 = 18,951.87/x
  3. Step 3: Cross multiply
    39,996.81x = 60,012.73 × 18,951.87
  4. Step 4: Simplify right side
    39,996.81x = 1,137,353,706.04
  5. Step 5: Solve for x
    x = 1,137,353,706.04/39,996.81
  6. Step 6: Final answer
    x = 28,436.11

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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.