Home / 50,405.04-75,622.32-20,824.56

Finding the Fourth Proportional to 50,405.04, 75,622.32 and 20,824.56

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Solution

The fourth proportional to 50,405.04, 75,622.32 and 20,824.56 is: 31,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,405.04 : 75,622.32 = 20,824.56 : x
  2. Step 2: Convert to fraction form
    50,405.04/75,622.32 = 20,824.56/x
  3. Step 3: Cross multiply
    50,405.04x = 75,622.32 × 20,824.56
  4. Step 4: Simplify right side
    50,405.04x = 1,574,801,540.18
  5. Step 5: Solve for x
    x = 1,574,801,540.18/50,405.04
  6. Step 6: Final answer
    x = 31,242.94

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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.