Home / 54,392.44-81,588.64-19,333.48

Finding the Fourth Proportional to 54,392.44, 81,588.64 and 19,333.48

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Solution

The fourth proportional to 54,392.44, 81,588.64 and 19,333.48 is: 29,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,392.44 : 81,588.64 = 19,333.48 : x
  2. Step 2: Convert to fraction form
    54,392.44/81,588.64 = 19,333.48/x
  3. Step 3: Cross multiply
    54,392.44x = 81,588.64 × 19,333.48
  4. Step 4: Simplify right side
    54,392.44x = 1,577,392,339.67
  5. Step 5: Solve for x
    x = 1,577,392,339.67/54,392.44
  6. Step 6: Final answer
    x = 29,000.21

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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.