Home / 67,239.74-100,921.95-33,983.21

Finding the Fourth Proportional to 67,239.74, 100,921.95 and 33,983.21

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Solution

The fourth proportional to 67,239.74, 100,921.95 and 33,983.21 is: 51,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,239.74 : 100,921.95 = 33,983.21 : x
  2. Step 2: Convert to fraction form
    67,239.74/100,921.95 = 33,983.21/x
  3. Step 3: Cross multiply
    67,239.74x = 100,921.95 × 33,983.21
  4. Step 4: Simplify right side
    67,239.74x = 3,429,652,072.76
  5. Step 5: Solve for x
    x = 3,429,652,072.76/67,239.74
  6. Step 6: Final answer
    x = 51,006.32

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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.