Home / 29,087.20-43,630.80-8,027.20

Finding the Fourth Proportional to 29,087.20, 43,630.80 and 8,027.20

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Solution

The fourth proportional to 29,087.20, 43,630.80 and 8,027.20 is: 12,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.20 : 43,630.80 = 8,027.20 : x
  2. Step 2: Convert to fraction form
    29,087.20/43,630.80 = 8,027.20/x
  3. Step 3: Cross multiply
    29,087.20x = 43,630.80 × 8,027.20
  4. Step 4: Simplify right side
    29,087.20x = 350,233,157.76
  5. Step 5: Solve for x
    x = 350,233,157.76/29,087.20
  6. Step 6: Final answer
    x = 12,040.80

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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.