Home / 49,796.16-74,705.32-21,720.76

Finding the Fourth Proportional to 49,796.16, 74,705.32 and 21,720.76

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Solution

The fourth proportional to 49,796.16, 74,705.32 and 21,720.76 is: 32,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,796.16 : 74,705.32 = 21,720.76 : x
  2. Step 2: Convert to fraction form
    49,796.16/74,705.32 = 21,720.76/x
  3. Step 3: Cross multiply
    49,796.16x = 74,705.32 × 21,720.76
  4. Step 4: Simplify right side
    49,796.16x = 1,622,656,326.44
  5. Step 5: Solve for x
    x = 1,622,656,326.44/49,796.16
  6. Step 6: Final answer
    x = 32,585.97

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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.