Home / 49,509.06-74,246.31-19,919.22

Finding the Fourth Proportional to 49,509.06, 74,246.31 and 19,919.22

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Solution

The fourth proportional to 49,509.06, 74,246.31 and 19,919.22 is: 29,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,509.06 : 74,246.31 = 19,919.22 : x
  2. Step 2: Convert to fraction form
    49,509.06/74,246.31 = 19,919.22/x
  3. Step 3: Cross multiply
    49,509.06x = 74,246.31 × 19,919.22
  4. Step 4: Simplify right side
    49,509.06x = 1,478,928,583.08
  5. Step 5: Solve for x
    x = 1,478,928,583.08/49,509.06
  6. Step 6: Final answer
    x = 29,871.88

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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.