Home / 68,427.32-94,427.86-38,211.80

Finding the Fourth Proportional to 68,427.32, 94,427.86 and 38,211.80

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Solution

The fourth proportional to 68,427.32, 94,427.86 and 38,211.80 is: 52,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,427.32 : 94,427.86 = 38,211.80 : x
  2. Step 2: Convert to fraction form
    68,427.32/94,427.86 = 38,211.80/x
  3. Step 3: Cross multiply
    68,427.32x = 94,427.86 × 38,211.80
  4. Step 4: Simplify right side
    68,427.32x = 3,608,258,500.75
  5. Step 5: Solve for x
    x = 3,608,258,500.75/68,427.32
  6. Step 6: Final answer
    x = 52,731.26

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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.