Home / 55,949-83,923.52-18,509.07

Finding the Fourth Proportional to 55,949, 83,923.52 and 18,509.07

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Solution

The fourth proportional to 55,949, 83,923.52 and 18,509.07 is: 27,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949 : 83,923.52 = 18,509.07 : x
  2. Step 2: Convert to fraction form
    55,949/83,923.52 = 18,509.07/x
  3. Step 3: Cross multiply
    55,949x = 83,923.52 × 18,509.07
  4. Step 4: Simplify right side
    55,949x = 1,553,346,306.33
  5. Step 5: Solve for x
    x = 1,553,346,306.33/55,949
  6. Step 6: Final answer
    x = 27,763.61

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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.