Home / 39,119.90-58,690.10-16,928.08

Finding the Fourth Proportional to 39,119.90, 58,690.10 and 16,928.08

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Solution

The fourth proportional to 39,119.90, 58,690.10 and 16,928.08 is: 25,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119.90 : 58,690.10 = 16,928.08 : x
  2. Step 2: Convert to fraction form
    39,119.90/58,690.10 = 16,928.08/x
  3. Step 3: Cross multiply
    39,119.90x = 58,690.10 × 16,928.08
  4. Step 4: Simplify right side
    39,119.90x = 993,510,708.01
  5. Step 5: Solve for x
    x = 993,510,708.01/39,119.90
  6. Step 6: Final answer
    x = 25,396.56

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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.