Home / 50,817.96-76,214.64-21,219.72

Finding the Fourth Proportional to 50,817.96, 76,214.64 and 21,219.72

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Solution

The fourth proportional to 50,817.96, 76,214.64 and 21,219.72 is: 31,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,817.96 : 76,214.64 = 21,219.72 : x
  2. Step 2: Convert to fraction form
    50,817.96/76,214.64 = 21,219.72/x
  3. Step 3: Cross multiply
    50,817.96x = 76,214.64 × 21,219.72
  4. Step 4: Simplify right side
    50,817.96x = 1,617,253,320.70
  5. Step 5: Solve for x
    x = 1,617,253,320.70/50,817.96
  6. Step 6: Final answer
    x = 31,824.44

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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.