Home / 49,686.38-74,506.20-14,619.06

Finding the Fourth Proportional to 49,686.38, 74,506.20 and 14,619.06

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Solution

The fourth proportional to 49,686.38, 74,506.20 and 14,619.06 is: 21,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,686.38 : 74,506.20 = 14,619.06 : x
  2. Step 2: Convert to fraction form
    49,686.38/74,506.20 = 14,619.06/x
  3. Step 3: Cross multiply
    49,686.38x = 74,506.20 × 14,619.06
  4. Step 4: Simplify right side
    49,686.38x = 1,089,210,608.17
  5. Step 5: Solve for x
    x = 1,089,210,608.17/49,686.38
  6. Step 6: Final answer
    x = 21,921.71

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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.