Home / 54,402.37-81,554.33-19,333.82

Finding the Fourth Proportional to 54,402.37, 81,554.33 and 19,333.82

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Solution

The fourth proportional to 54,402.37, 81,554.33 and 19,333.82 is: 28,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,402.37 : 81,554.33 = 19,333.82 : x
  2. Step 2: Convert to fraction form
    54,402.37/81,554.33 = 19,333.82/x
  3. Step 3: Cross multiply
    54,402.37x = 81,554.33 × 19,333.82
  4. Step 4: Simplify right side
    54,402.37x = 1,576,756,988.66
  5. Step 5: Solve for x
    x = 1,576,756,988.66/54,402.37
  6. Step 6: Final answer
    x = 28,983.24

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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.