Home / 50,314.20-75,451.46-18,285.72

Finding the Fourth Proportional to 50,314.20, 75,451.46 and 18,285.72

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Solution

The fourth proportional to 50,314.20, 75,451.46 and 18,285.72 is: 27,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,314.20 : 75,451.46 = 18,285.72 : x
  2. Step 2: Convert to fraction form
    50,314.20/75,451.46 = 18,285.72/x
  3. Step 3: Cross multiply
    50,314.20x = 75,451.46 × 18,285.72
  4. Step 4: Simplify right side
    50,314.20x = 1,379,684,271.15
  5. Step 5: Solve for x
    x = 1,379,684,271.15/50,314.20
  6. Step 6: Final answer
    x = 27,421.37

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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.