Home / 38,277.27-57,415.91-11,984.06

Finding the Fourth Proportional to 38,277.27, 57,415.91 and 11,984.06

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Solution

The fourth proportional to 38,277.27, 57,415.91 and 11,984.06 is: 17,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.27 : 57,415.91 = 11,984.06 : x
  2. Step 2: Convert to fraction form
    38,277.27/57,415.91 = 11,984.06/x
  3. Step 3: Cross multiply
    38,277.27x = 57,415.91 × 11,984.06
  4. Step 4: Simplify right side
    38,277.27x = 688,075,794.01
  5. Step 5: Solve for x
    x = 688,075,794.01/38,277.27
  6. Step 6: Final answer
    x = 17,976.09

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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.