Home / 49,989.44-75,008.60-21,905.64

Finding the Fourth Proportional to 49,989.44, 75,008.60 and 21,905.64

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Solution

The fourth proportional to 49,989.44, 75,008.60 and 21,905.64 is: 32,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989.44 : 75,008.60 = 21,905.64 : x
  2. Step 2: Convert to fraction form
    49,989.44/75,008.60 = 21,905.64/x
  3. Step 3: Cross multiply
    49,989.44x = 75,008.60 × 21,905.64
  4. Step 4: Simplify right side
    49,989.44x = 1,643,111,388.50
  5. Step 5: Solve for x
    x = 1,643,111,388.50/49,989.44
  6. Step 6: Final answer
    x = 32,869.17

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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.