Home / 45,054.99-67,529.43-18,384.33

Finding the Fourth Proportional to 45,054.99, 67,529.43 and 18,384.33

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Solution

The fourth proportional to 45,054.99, 67,529.43 and 18,384.33 is: 27,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,054.99 : 67,529.43 = 18,384.33 : x
  2. Step 2: Convert to fraction form
    45,054.99/67,529.43 = 18,384.33/x
  3. Step 3: Cross multiply
    45,054.99x = 67,529.43 × 18,384.33
  4. Step 4: Simplify right side
    45,054.99x = 1,241,483,579.07
  5. Step 5: Solve for x
    x = 1,241,483,579.07/45,054.99
  6. Step 6: Final answer
    x = 27,554.85

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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.