Home / 50,977.27-76,442.15-19,393.21

Finding the Fourth Proportional to 50,977.27, 76,442.15 and 19,393.21

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Solution

The fourth proportional to 50,977.27, 76,442.15 and 19,393.21 is: 29,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,977.27 : 76,442.15 = 19,393.21 : x
  2. Step 2: Convert to fraction form
    50,977.27/76,442.15 = 19,393.21/x
  3. Step 3: Cross multiply
    50,977.27x = 76,442.15 × 19,393.21
  4. Step 4: Simplify right side
    50,977.27x = 1,482,458,570.84
  5. Step 5: Solve for x
    x = 1,482,458,570.84/50,977.27
  6. Step 6: Final answer
    x = 29,080.78

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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.