Home / 33,141.44-45,720.12-19,705.06

Finding the Fourth Proportional to 33,141.44, 45,720.12 and 19,705.06

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Solution

The fourth proportional to 33,141.44, 45,720.12 and 19,705.06 is: 27,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,141.44 : 45,720.12 = 19,705.06 : x
  2. Step 2: Convert to fraction form
    33,141.44/45,720.12 = 19,705.06/x
  3. Step 3: Cross multiply
    33,141.44x = 45,720.12 × 19,705.06
  4. Step 4: Simplify right side
    33,141.44x = 900,917,707.81
  5. Step 5: Solve for x
    x = 900,917,707.81/33,141.44
  6. Step 6: Final answer
    x = 27,184.02

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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.