Home / 33,023.44-45,570.12-18,120.40

Finding the Fourth Proportional to 33,023.44, 45,570.12 and 18,120.40

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Solution

The fourth proportional to 33,023.44, 45,570.12 and 18,120.40 is: 25,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,023.44 : 45,570.12 = 18,120.40 : x
  2. Step 2: Convert to fraction form
    33,023.44/45,570.12 = 18,120.40/x
  3. Step 3: Cross multiply
    33,023.44x = 45,570.12 × 18,120.40
  4. Step 4: Simplify right side
    33,023.44x = 825,748,802.45
  5. Step 5: Solve for x
    x = 825,748,802.45/33,023.44
  6. Step 6: Final answer
    x = 25,004.93

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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.