Home / 42,409.96-63,611.70-16,120.60

Finding the Fourth Proportional to 42,409.96, 63,611.70 and 16,120.60

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Solution

The fourth proportional to 42,409.96, 63,611.70 and 16,120.60 is: 24,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,409.96 : 63,611.70 = 16,120.60 : x
  2. Step 2: Convert to fraction form
    42,409.96/63,611.70 = 16,120.60/x
  3. Step 3: Cross multiply
    42,409.96x = 63,611.70 × 16,120.60
  4. Step 4: Simplify right side
    42,409.96x = 1,025,458,771.02
  5. Step 5: Solve for x
    x = 1,025,458,771.02/42,409.96
  6. Step 6: Final answer
    x = 24,179.67

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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.