Home / 54,828.82-82,239-15,384.34

Finding the Fourth Proportional to 54,828.82, 82,239 and 15,384.34

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Solution

The fourth proportional to 54,828.82, 82,239 and 15,384.34 is: 23,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,828.82 : 82,239 = 15,384.34 : x
  2. Step 2: Convert to fraction form
    54,828.82/82,239 = 15,384.34/x
  3. Step 3: Cross multiply
    54,828.82x = 82,239 × 15,384.34
  4. Step 4: Simplify right side
    54,828.82x = 1,265,192,737.26
  5. Step 5: Solve for x
    x = 1,265,192,737.26/54,828.82
  6. Step 6: Final answer
    x = 23,075.32

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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.