Home / 50,442.87-75,669.80-18,868.08

Finding the Fourth Proportional to 50,442.87, 75,669.80 and 18,868.08

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Solution

The fourth proportional to 50,442.87, 75,669.80 and 18,868.08 is: 28,304.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,442.87 : 75,669.80 = 18,868.08 : x
  2. Step 2: Convert to fraction form
    50,442.87/75,669.80 = 18,868.08/x
  3. Step 3: Cross multiply
    50,442.87x = 75,669.80 × 18,868.08
  4. Step 4: Simplify right side
    50,442.87x = 1,427,743,745.64
  5. Step 5: Solve for x
    x = 1,427,743,745.64/50,442.87
  6. Step 6: Final answer
    x = 28,304.17

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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.