Home / 37,158.58-51,278.70-20,162.89

Finding the Fourth Proportional to 37,158.58, 51,278.70 and 20,162.89

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Solution

The fourth proportional to 37,158.58, 51,278.70 and 20,162.89 is: 27,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,158.58 : 51,278.70 = 20,162.89 : x
  2. Step 2: Convert to fraction form
    37,158.58/51,278.70 = 20,162.89/x
  3. Step 3: Cross multiply
    37,158.58x = 51,278.70 × 20,162.89
  4. Step 4: Simplify right side
    37,158.58x = 1,033,926,787.44
  5. Step 5: Solve for x
    x = 1,033,926,787.44/37,158.58
  6. Step 6: Final answer
    x = 27,824.71

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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.