Home / 53,979.94-80,967.60-18,444.44

Finding the Fourth Proportional to 53,979.94, 80,967.60 and 18,444.44

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Solution

The fourth proportional to 53,979.94, 80,967.60 and 18,444.44 is: 27,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.94 : 80,967.60 = 18,444.44 : x
  2. Step 2: Convert to fraction form
    53,979.94/80,967.60 = 18,444.44/x
  3. Step 3: Cross multiply
    53,979.94x = 80,967.60 × 18,444.44
  4. Step 4: Simplify right side
    53,979.94x = 1,493,402,040.14
  5. Step 5: Solve for x
    x = 1,493,402,040.14/53,979.94
  6. Step 6: Final answer
    x = 27,665.87

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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.