Home / 53,623.94-80,436.86-18,564.71

Finding the Fourth Proportional to 53,623.94, 80,436.86 and 18,564.71

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Solution

The fourth proportional to 53,623.94, 80,436.86 and 18,564.71 is: 27,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,623.94 : 80,436.86 = 18,564.71 : x
  2. Step 2: Convert to fraction form
    53,623.94/80,436.86 = 18,564.71/x
  3. Step 3: Cross multiply
    53,623.94x = 80,436.86 × 18,564.71
  4. Step 4: Simplify right side
    53,623.94x = 1,493,286,979.21
  5. Step 5: Solve for x
    x = 1,493,286,979.21/53,623.94
  6. Step 6: Final answer
    x = 27,847.39

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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.