Home / 53,895.27-80,842.91-20,625.54

Finding the Fourth Proportional to 53,895.27, 80,842.91 and 20,625.54

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Solution

The fourth proportional to 53,895.27, 80,842.91 and 20,625.54 is: 30,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.27 : 80,842.91 = 20,625.54 : x
  2. Step 2: Convert to fraction form
    53,895.27/80,842.91 = 20,625.54/x
  3. Step 3: Cross multiply
    53,895.27x = 80,842.91 × 20,625.54
  4. Step 4: Simplify right side
    53,895.27x = 1,667,428,383.65
  5. Step 5: Solve for x
    x = 1,667,428,383.65/53,895.27
  6. Step 6: Final answer
    x = 30,938.30

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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.