Home / 53,451.73-80,176.74-18,391.69

Finding the Fourth Proportional to 53,451.73, 80,176.74 and 18,391.69

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Solution

The fourth proportional to 53,451.73, 80,176.74 and 18,391.69 is: 27,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,451.73 : 80,176.74 = 18,391.69 : x
  2. Step 2: Convert to fraction form
    53,451.73/80,176.74 = 18,391.69/x
  3. Step 3: Cross multiply
    53,451.73x = 80,176.74 × 18,391.69
  4. Step 4: Simplify right side
    53,451.73x = 1,474,585,655.33
  5. Step 5: Solve for x
    x = 1,474,585,655.33/53,451.73
  6. Step 6: Final answer
    x = 27,587.24

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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.