Home / 49,621.81-74,435.50-15,890.80

Finding the Fourth Proportional to 49,621.81, 74,435.50 and 15,890.80

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Solution

The fourth proportional to 49,621.81, 74,435.50 and 15,890.80 is: 23,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,621.81 : 74,435.50 = 15,890.80 : x
  2. Step 2: Convert to fraction form
    49,621.81/74,435.50 = 15,890.80/x
  3. Step 3: Cross multiply
    49,621.81x = 74,435.50 × 15,890.80
  4. Step 4: Simplify right side
    49,621.81x = 1,182,839,863.73
  5. Step 5: Solve for x
    x = 1,182,839,863.73/49,621.81
  6. Step 6: Final answer
    x = 23,837.09

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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.