Home / 37,667.52-51,981.44-20,900.48

Finding the Fourth Proportional to 37,667.52, 51,981.44 and 20,900.48

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Solution

The fourth proportional to 37,667.52, 51,981.44 and 20,900.48 is: 28,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,667.52 : 51,981.44 = 20,900.48 : x
  2. Step 2: Convert to fraction form
    37,667.52/51,981.44 = 20,900.48/x
  3. Step 3: Cross multiply
    37,667.52x = 51,981.44 × 20,900.48
  4. Step 4: Simplify right side
    37,667.52x = 1,086,437,047.09
  5. Step 5: Solve for x
    x = 1,086,437,047.09/37,667.52
  6. Step 6: Final answer
    x = 28,842.81

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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.