Home / 33,093.18-45,679.23-21,188.58

Finding the Fourth Proportional to 33,093.18, 45,679.23 and 21,188.58

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Solution

The fourth proportional to 33,093.18, 45,679.23 and 21,188.58 is: 29,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,093.18 : 45,679.23 = 21,188.58 : x
  2. Step 2: Convert to fraction form
    33,093.18/45,679.23 = 21,188.58/x
  3. Step 3: Cross multiply
    33,093.18x = 45,679.23 × 21,188.58
  4. Step 4: Simplify right side
    33,093.18x = 967,878,019.19
  5. Step 5: Solve for x
    x = 967,878,019.19/33,093.18
  6. Step 6: Final answer
    x = 29,247.05

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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.