Home / 50,383.59-75,583.98-20,785.23

Finding the Fourth Proportional to 50,383.59, 75,583.98 and 20,785.23

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Solution

The fourth proportional to 50,383.59, 75,583.98 and 20,785.23 is: 31,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,383.59 : 75,583.98 = 20,785.23 : x
  2. Step 2: Convert to fraction form
    50,383.59/75,583.98 = 20,785.23/x
  3. Step 3: Cross multiply
    50,383.59x = 75,583.98 × 20,785.23
  4. Step 4: Simplify right side
    50,383.59x = 1,571,030,408.62
  5. Step 5: Solve for x
    x = 1,571,030,408.62/50,383.59
  6. Step 6: Final answer
    x = 31,181.39

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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.