Home / 33,060.06-45,628.03-18,720.63

Finding the Fourth Proportional to 33,060.06, 45,628.03 and 18,720.63

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Solution

The fourth proportional to 33,060.06, 45,628.03 and 18,720.63 is: 25,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,060.06 : 45,628.03 = 18,720.63 : x
  2. Step 2: Convert to fraction form
    33,060.06/45,628.03 = 18,720.63/x
  3. Step 3: Cross multiply
    33,060.06x = 45,628.03 × 18,720.63
  4. Step 4: Simplify right side
    33,060.06x = 854,185,239.12
  5. Step 5: Solve for x
    x = 854,185,239.12/33,060.06
  6. Step 6: Final answer
    x = 25,837.38

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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.