Home / 48,642.70-72,923.55-20,584.30

Finding the Fourth Proportional to 48,642.70, 72,923.55 and 20,584.30

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Solution

The fourth proportional to 48,642.70, 72,923.55 and 20,584.30 is: 30,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,642.70 : 72,923.55 = 20,584.30 : x
  2. Step 2: Convert to fraction form
    48,642.70/72,923.55 = 20,584.30/x
  3. Step 3: Cross multiply
    48,642.70x = 72,923.55 × 20,584.30
  4. Step 4: Simplify right side
    48,642.70x = 1,501,080,230.27
  5. Step 5: Solve for x
    x = 1,501,080,230.27/48,642.70
  6. Step 6: Final answer
    x = 30,859.31

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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.