Home / 49,900.36-74,873.88-21,816.77

Finding the Fourth Proportional to 49,900.36, 74,873.88 and 21,816.77

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Solution

The fourth proportional to 49,900.36, 74,873.88 and 21,816.77 is: 32,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,900.36 : 74,873.88 = 21,816.77 : x
  2. Step 2: Convert to fraction form
    49,900.36/74,873.88 = 21,816.77/x
  3. Step 3: Cross multiply
    49,900.36x = 74,873.88 × 21,816.77
  4. Step 4: Simplify right side
    49,900.36x = 1,633,506,218.97
  5. Step 5: Solve for x
    x = 1,633,506,218.97/49,900.36
  6. Step 6: Final answer
    x = 32,735.36

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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.