Home / 36,074.52-49,789.26-20,971.98

Finding the Fourth Proportional to 36,074.52, 49,789.26 and 20,971.98

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Solution

The fourth proportional to 36,074.52, 49,789.26 and 20,971.98 is: 28,945.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,074.52 : 49,789.26 = 20,971.98 : x
  2. Step 2: Convert to fraction form
    36,074.52/49,789.26 = 20,971.98/x
  3. Step 3: Cross multiply
    36,074.52x = 49,789.26 × 20,971.98
  4. Step 4: Simplify right side
    36,074.52x = 1,044,179,364.93
  5. Step 5: Solve for x
    x = 1,044,179,364.93/36,074.52
  6. Step 6: Final answer
    x = 28,945.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.