Home / 53,440.41-80,171.55-18,375.51

Finding the Fourth Proportional to 53,440.41, 80,171.55 and 18,375.51

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Solution

The fourth proportional to 53,440.41, 80,171.55 and 18,375.51 is: 27,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,440.41 : 80,171.55 = 18,375.51 : x
  2. Step 2: Convert to fraction form
    53,440.41/80,171.55 = 18,375.51/x
  3. Step 3: Cross multiply
    53,440.41x = 80,171.55 × 18,375.51
  4. Step 4: Simplify right side
    53,440.41x = 1,473,193,118.74
  5. Step 5: Solve for x
    x = 1,473,193,118.74/53,440.41
  6. Step 6: Final answer
    x = 27,567.03

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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.