Home / 29,120.40-43,583.40-25,621.20

Finding the Fourth Proportional to 29,120.40, 43,583.40 and 25,621.20

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Solution

The fourth proportional to 29,120.40, 43,583.40 and 25,621.20 is: 38,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.40 : 43,583.40 = 25,621.20 : x
  2. Step 2: Convert to fraction form
    29,120.40/43,583.40 = 25,621.20/x
  3. Step 3: Cross multiply
    29,120.40x = 43,583.40 × 25,621.20
  4. Step 4: Simplify right side
    29,120.40x = 1,116,659,008.08
  5. Step 5: Solve for x
    x = 1,116,659,008.08/29,120.40
  6. Step 6: Final answer
    x = 38,346.28

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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.