Home / 49,477.44-74,235.60-21,756

Finding the Fourth Proportional to 49,477.44, 74,235.60 and 21,756

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Solution

The fourth proportional to 49,477.44, 74,235.60 and 21,756 is: 32,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,477.44 : 74,235.60 = 21,756 : x
  2. Step 2: Convert to fraction form
    49,477.44/74,235.60 = 21,756/x
  3. Step 3: Cross multiply
    49,477.44x = 74,235.60 × 21,756
  4. Step 4: Simplify right side
    49,477.44x = 1,615,069,713.60
  5. Step 5: Solve for x
    x = 1,615,069,713.60/49,477.44
  6. Step 6: Final answer
    x = 32,642.55

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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.