Home / 39,158.72-58,759.62-16,972.28

Finding the Fourth Proportional to 39,158.72, 58,759.62 and 16,972.28

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Solution

The fourth proportional to 39,158.72, 58,759.62 and 16,972.28 is: 25,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.72 : 58,759.62 = 16,972.28 : x
  2. Step 2: Convert to fraction form
    39,158.72/58,759.62 = 16,972.28/x
  3. Step 3: Cross multiply
    39,158.72x = 58,759.62 × 16,972.28
  4. Step 4: Simplify right side
    39,158.72x = 997,284,723.33
  5. Step 5: Solve for x
    x = 997,284,723.33/39,158.72
  6. Step 6: Final answer
    x = 25,467.76

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1.5x scale

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.