Home / 54,488.88-81,731.70-15,048.36

Finding the Fourth Proportional to 54,488.88, 81,731.70 and 15,048.36

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Solution

The fourth proportional to 54,488.88, 81,731.70 and 15,048.36 is: 22,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488.88 : 81,731.70 = 15,048.36 : x
  2. Step 2: Convert to fraction form
    54,488.88/81,731.70 = 15,048.36/x
  3. Step 3: Cross multiply
    54,488.88x = 81,731.70 × 15,048.36
  4. Step 4: Simplify right side
    54,488.88x = 1,229,928,045.01
  5. Step 5: Solve for x
    x = 1,229,928,045.01/54,488.88
  6. Step 6: Final answer
    x = 22,572.09

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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.