Home / 50,660.64-75,984.48-21,072.96

Finding the Fourth Proportional to 50,660.64, 75,984.48 and 21,072.96

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Solution

The fourth proportional to 50,660.64, 75,984.48 and 21,072.96 is: 31,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,660.64 : 75,984.48 = 21,072.96 : x
  2. Step 2: Convert to fraction form
    50,660.64/75,984.48 = 21,072.96/x
  3. Step 3: Cross multiply
    50,660.64x = 75,984.48 × 21,072.96
  4. Step 4: Simplify right side
    50,660.64x = 1,601,217,907.66
  5. Step 5: Solve for x
    x = 1,601,217,907.66/50,660.64
  6. Step 6: Final answer
    x = 31,606.74

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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.