Home / 52,338.33-78,444.94-19,019.38

Finding the Fourth Proportional to 52,338.33, 78,444.94 and 19,019.38

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Solution

The fourth proportional to 52,338.33, 78,444.94 and 19,019.38 is: 28,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,338.33 : 78,444.94 = 19,019.38 : x
  2. Step 2: Convert to fraction form
    52,338.33/78,444.94 = 19,019.38/x
  3. Step 3: Cross multiply
    52,338.33x = 78,444.94 × 19,019.38
  4. Step 4: Simplify right side
    52,338.33x = 1,491,974,122.94
  5. Step 5: Solve for x
    x = 1,491,974,122.94/52,338.33
  6. Step 6: Final answer
    x = 28,506.34

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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.