Home / 68,228.20-94,161.80-38,018.44

Finding the Fourth Proportional to 68,228.20, 94,161.80 and 38,018.44

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Solution

The fourth proportional to 68,228.20, 94,161.80 and 38,018.44 is: 52,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,228.20 : 94,161.80 = 38,018.44 : x
  2. Step 2: Convert to fraction form
    68,228.20/94,161.80 = 38,018.44/x
  3. Step 3: Cross multiply
    68,228.20x = 94,161.80 × 38,018.44
  4. Step 4: Simplify right side
    68,228.20x = 3,579,884,743.59
  5. Step 5: Solve for x
    x = 3,579,884,743.59/68,228.20
  6. Step 6: Final answer
    x = 52,469.28

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1.5x scale

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.