Home / 50,490.20-75,735.30-15,429.56

Finding the Fourth Proportional to 50,490.20, 75,735.30 and 15,429.56

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Solution

The fourth proportional to 50,490.20, 75,735.30 and 15,429.56 is: 23,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,490.20 : 75,735.30 = 15,429.56 : x
  2. Step 2: Convert to fraction form
    50,490.20/75,735.30 = 15,429.56/x
  3. Step 3: Cross multiply
    50,490.20x = 75,735.30 × 15,429.56
  4. Step 4: Simplify right side
    50,490.20x = 1,168,562,355.47
  5. Step 5: Solve for x
    x = 1,168,562,355.47/50,490.20
  6. Step 6: Final answer
    x = 23,144.34

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1.5x scale

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.