Home / 37,600.81-51,891.64-21,686.33

Finding the Fourth Proportional to 37,600.81, 51,891.64 and 21,686.33

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Solution

The fourth proportional to 37,600.81, 51,891.64 and 21,686.33 is: 29,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,600.81 : 51,891.64 = 21,686.33 : x
  2. Step 2: Convert to fraction form
    37,600.81/51,891.64 = 21,686.33/x
  3. Step 3: Cross multiply
    37,600.81x = 51,891.64 × 21,686.33
  4. Step 4: Simplify right side
    37,600.81x = 1,125,339,304.79
  5. Step 5: Solve for x
    x = 1,125,339,304.79/37,600.81
  6. Step 6: Final answer
    x = 29,928.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.