Home / 50,405.76-75,638.07-18,837.56

Finding the Fourth Proportional to 50,405.76, 75,638.07 and 18,837.56

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Solution

The fourth proportional to 50,405.76, 75,638.07 and 18,837.56 is: 28,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,405.76 : 75,638.07 = 18,837.56 : x
  2. Step 2: Convert to fraction form
    50,405.76/75,638.07 = 18,837.56/x
  3. Step 3: Cross multiply
    50,405.76x = 75,638.07 × 18,837.56
  4. Step 4: Simplify right side
    50,405.76x = 1,424,836,871.00
  5. Step 5: Solve for x
    x = 1,424,836,871.00/50,405.76
  6. Step 6: Final answer
    x = 28,267.34

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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.