Home / 50,218.07-75,331.52-18,628.47

Finding the Fourth Proportional to 50,218.07, 75,331.52 and 18,628.47

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Solution

The fourth proportional to 50,218.07, 75,331.52 and 18,628.47 is: 27,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,218.07 : 75,331.52 = 18,628.47 : x
  2. Step 2: Convert to fraction form
    50,218.07/75,331.52 = 18,628.47/x
  3. Step 3: Cross multiply
    50,218.07x = 75,331.52 × 18,628.47
  4. Step 4: Simplify right side
    50,218.07x = 1,403,310,867.23
  5. Step 5: Solve for x
    x = 1,403,310,867.23/50,218.07
  6. Step 6: Final answer
    x = 27,944.34

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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.