Home / 37,992.21-52,412.75-21,856.03

Finding the Fourth Proportional to 37,992.21, 52,412.75 and 21,856.03

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Solution

The fourth proportional to 37,992.21, 52,412.75 and 21,856.03 is: 30,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,992.21 : 52,412.75 = 21,856.03 : x
  2. Step 2: Convert to fraction form
    37,992.21/52,412.75 = 21,856.03/x
  3. Step 3: Cross multiply
    37,992.21x = 52,412.75 × 21,856.03
  4. Step 4: Simplify right side
    37,992.21x = 1,145,534,416.56
  5. Step 5: Solve for x
    x = 1,145,534,416.56/37,992.21
  6. Step 6: Final answer
    x = 30,151.82

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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.