Home / 33,138.21-45,729.35-18,030.93

Finding the Fourth Proportional to 33,138.21, 45,729.35 and 18,030.93

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Solution

The fourth proportional to 33,138.21, 45,729.35 and 18,030.93 is: 24,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.21 : 45,729.35 = 18,030.93 : x
  2. Step 2: Convert to fraction form
    33,138.21/45,729.35 = 18,030.93/x
  3. Step 3: Cross multiply
    33,138.21x = 45,729.35 × 18,030.93
  4. Step 4: Simplify right side
    33,138.21x = 824,542,480.15
  5. Step 5: Solve for x
    x = 824,542,480.15/33,138.21
  6. Step 6: Final answer
    x = 24,881.93

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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.