Home / 30,772.50-46,165.26-9,997.62

Finding the Fourth Proportional to 30,772.50, 46,165.26 and 9,997.62

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Solution

The fourth proportional to 30,772.50, 46,165.26 and 9,997.62 is: 14,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.50 : 46,165.26 = 9,997.62 : x
  2. Step 2: Convert to fraction form
    30,772.50/46,165.26 = 9,997.62/x
  3. Step 3: Cross multiply
    30,772.50x = 46,165.26 × 9,997.62
  4. Step 4: Simplify right side
    30,772.50x = 461,542,726.68
  5. Step 5: Solve for x
    x = 461,542,726.68/30,772.50
  6. Step 6: Final answer
    x = 14,998.55

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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.