Home / 74,861.40-112,194.60-30,436.32

Finding the Fourth Proportional to 74,861.40, 112,194.60 and 30,436.32

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Solution

The fourth proportional to 74,861.40, 112,194.60 and 30,436.32 is: 45,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,861.40 : 112,194.60 = 30,436.32 : x
  2. Step 2: Convert to fraction form
    74,861.40/112,194.60 = 30,436.32/x
  3. Step 3: Cross multiply
    74,861.40x = 112,194.60 × 30,436.32
  4. Step 4: Simplify right side
    74,861.40x = 3,414,790,747.87
  5. Step 5: Solve for x
    x = 3,414,790,747.87/74,861.40
  6. Step 6: Final answer
    x = 45,614.84

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1.5x scale

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.