Home / 50,636.11-75,913.05-21,076.07

Finding the Fourth Proportional to 50,636.11, 75,913.05 and 21,076.07

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Solution

The fourth proportional to 50,636.11, 75,913.05 and 21,076.07 is: 31,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,636.11 : 75,913.05 = 21,076.07 : x
  2. Step 2: Convert to fraction form
    50,636.11/75,913.05 = 21,076.07/x
  3. Step 3: Cross multiply
    50,636.11x = 75,913.05 × 21,076.07
  4. Step 4: Simplify right side
    50,636.11x = 1,599,948,977.15
  5. Step 5: Solve for x
    x = 1,599,948,977.15/50,636.11
  6. Step 6: Final answer
    x = 31,596.99

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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.