Home / 29,190.32-43,748.56-18,656.28

Finding the Fourth Proportional to 29,190.32, 43,748.56 and 18,656.28

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Solution

The fourth proportional to 29,190.32, 43,748.56 and 18,656.28 is: 27,960.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.32 : 43,748.56 = 18,656.28 : x
  2. Step 2: Convert to fraction form
    29,190.32/43,748.56 = 18,656.28/x
  3. Step 3: Cross multiply
    29,190.32x = 43,748.56 × 18,656.28
  4. Step 4: Simplify right side
    29,190.32x = 816,185,384.96
  5. Step 5: Solve for x
    x = 816,185,384.96/29,190.32
  6. Step 6: Final answer
    x = 27,960.82

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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.