Home / 37,274.19-51,439.80-21,361.72

Finding the Fourth Proportional to 37,274.19, 51,439.80 and 21,361.72

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Solution

The fourth proportional to 37,274.19, 51,439.80 and 21,361.72 is: 29,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,274.19 : 51,439.80 = 21,361.72 : x
  2. Step 2: Convert to fraction form
    37,274.19/51,439.80 = 21,361.72/x
  3. Step 3: Cross multiply
    37,274.19x = 51,439.80 × 21,361.72
  4. Step 4: Simplify right side
    37,274.19x = 1,098,842,447.66
  5. Step 5: Solve for x
    x = 1,098,842,447.66/37,274.19
  6. Step 6: Final answer
    x = 29,479.98

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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.