Home / 36,907.71-55,370.34-11,947.75

Finding the Fourth Proportional to 36,907.71, 55,370.34 and 11,947.75

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Solution

The fourth proportional to 36,907.71, 55,370.34 and 11,947.75 is: 17,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,907.71 : 55,370.34 = 11,947.75 : x
  2. Step 2: Convert to fraction form
    36,907.71/55,370.34 = 11,947.75/x
  3. Step 3: Cross multiply
    36,907.71x = 55,370.34 × 11,947.75
  4. Step 4: Simplify right side
    36,907.71x = 661,550,979.74
  5. Step 5: Solve for x
    x = 661,550,979.74/36,907.71
  6. Step 6: Final answer
    x = 17,924.47

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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.