Home / 33,139.44-45,717.36-19,703.06

Finding the Fourth Proportional to 33,139.44, 45,717.36 and 19,703.06

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Solution

The fourth proportional to 33,139.44, 45,717.36 and 19,703.06 is: 27,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.44 : 45,717.36 = 19,703.06 : x
  2. Step 2: Convert to fraction form
    33,139.44/45,717.36 = 19,703.06/x
  3. Step 3: Cross multiply
    33,139.44x = 45,717.36 × 19,703.06
  4. Step 4: Simplify right side
    33,139.44x = 900,771,887.12
  5. Step 5: Solve for x
    x = 900,771,887.12/33,139.44
  6. Step 6: Final answer
    x = 27,181.26

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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.