Home / 68,400.10-94,382.98-38,181.03

Finding the Fourth Proportional to 68,400.10, 94,382.98 and 38,181.03

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Solution

The fourth proportional to 68,400.10, 94,382.98 and 38,181.03 is: 52,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,400.10 : 94,382.98 = 38,181.03 : x
  2. Step 2: Convert to fraction form
    68,400.10/94,382.98 = 38,181.03/x
  3. Step 3: Cross multiply
    68,400.10x = 94,382.98 × 38,181.03
  4. Step 4: Simplify right side
    68,400.10x = 3,603,639,390.87
  5. Step 5: Solve for x
    x = 3,603,639,390.87/68,400.10
  6. Step 6: Final answer
    x = 52,684.71

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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.