Home / 50,949.60-76,424.40-19,764.60

Finding the Fourth Proportional to 50,949.60, 76,424.40 and 19,764.60

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Solution

The fourth proportional to 50,949.60, 76,424.40 and 19,764.60 is: 29,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,949.60 : 76,424.40 = 19,764.60 : x
  2. Step 2: Convert to fraction form
    50,949.60/76,424.40 = 19,764.60/x
  3. Step 3: Cross multiply
    50,949.60x = 76,424.40 × 19,764.60
  4. Step 4: Simplify right side
    50,949.60x = 1,510,497,696.24
  5. Step 5: Solve for x
    x = 1,510,497,696.24/50,949.60
  6. Step 6: Final answer
    x = 29,646.90

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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.