Home / 39,020.72-53,848.53-22,028.54

Finding the Fourth Proportional to 39,020.72, 53,848.53 and 22,028.54

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Solution

The fourth proportional to 39,020.72, 53,848.53 and 22,028.54 is: 30,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.72 : 53,848.53 = 22,028.54 : x
  2. Step 2: Convert to fraction form
    39,020.72/53,848.53 = 22,028.54/x
  3. Step 3: Cross multiply
    39,020.72x = 53,848.53 × 22,028.54
  4. Step 4: Simplify right side
    39,020.72x = 1,186,204,497.05
  5. Step 5: Solve for x
    x = 1,186,204,497.05/39,020.72
  6. Step 6: Final answer
    x = 30,399.35

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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.