Home / 19,839.87-29,759.84-5,048.75

Finding the Fourth Proportional to 19,839.87, 29,759.84 and 5,048.75

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Solution

The fourth proportional to 19,839.87, 29,759.84 and 5,048.75 is: 7,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.87 : 29,759.84 = 5,048.75 : x
  2. Step 2: Convert to fraction form
    19,839.87/29,759.84 = 5,048.75/x
  3. Step 3: Cross multiply
    19,839.87x = 29,759.84 × 5,048.75
  4. Step 4: Simplify right side
    19,839.87x = 150,249,818.16
  5. Step 5: Solve for x
    x = 150,249,818.16/19,839.87
  6. Step 6: Final answer
    x = 7,573.13

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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.