Home / 39,072.16-53,923.44-22,307.68

Finding the Fourth Proportional to 39,072.16, 53,923.44 and 22,307.68

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Solution

The fourth proportional to 39,072.16, 53,923.44 and 22,307.68 is: 30,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.16 : 53,923.44 = 22,307.68 : x
  2. Step 2: Convert to fraction form
    39,072.16/53,923.44 = 22,307.68/x
  3. Step 3: Cross multiply
    39,072.16x = 53,923.44 × 22,307.68
  4. Step 4: Simplify right side
    39,072.16x = 1,202,906,844.02
  5. Step 5: Solve for x
    x = 1,202,906,844.02/39,072.16
  6. Step 6: Final answer
    x = 30,786.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.