Home / 48,617.07-72,896.43-18,999.62

Finding the Fourth Proportional to 48,617.07, 72,896.43 and 18,999.62

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Solution

The fourth proportional to 48,617.07, 72,896.43 and 18,999.62 is: 28,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617.07 : 72,896.43 = 18,999.62 : x
  2. Step 2: Convert to fraction form
    48,617.07/72,896.43 = 18,999.62/x
  3. Step 3: Cross multiply
    48,617.07x = 72,896.43 × 18,999.62
  4. Step 4: Simplify right side
    48,617.07x = 1,385,004,469.36
  5. Step 5: Solve for x
    x = 1,385,004,469.36/48,617.07
  6. Step 6: Final answer
    x = 28,488.03

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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.