Home / 29,077.60-43,616.40-19,163.20

Finding the Fourth Proportional to 29,077.60, 43,616.40 and 19,163.20

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Solution

The fourth proportional to 29,077.60, 43,616.40 and 19,163.20 is: 28,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,077.60 : 43,616.40 = 19,163.20 : x
  2. Step 2: Convert to fraction form
    29,077.60/43,616.40 = 19,163.20/x
  3. Step 3: Cross multiply
    29,077.60x = 43,616.40 × 19,163.20
  4. Step 4: Simplify right side
    29,077.60x = 835,829,796.48
  5. Step 5: Solve for x
    x = 835,829,796.48/29,077.60
  6. Step 6: Final answer
    x = 28,744.80

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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.