Home / 68,231.95-94,161.92-38,018.55

Finding the Fourth Proportional to 68,231.95, 94,161.92 and 38,018.55

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Solution

The fourth proportional to 68,231.95, 94,161.92 and 38,018.55 is: 52,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,231.95 : 94,161.92 = 38,018.55 : x
  2. Step 2: Convert to fraction form
    68,231.95/94,161.92 = 38,018.55/x
  3. Step 3: Cross multiply
    68,231.95x = 94,161.92 × 38,018.55
  4. Step 4: Simplify right side
    68,231.95x = 3,579,899,403.90
  5. Step 5: Solve for x
    x = 3,579,899,403.90/68,231.95
  6. Step 6: Final answer
    x = 52,466.61

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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.