Home / 33,132.90-45,730.53-21,803.43

Finding the Fourth Proportional to 33,132.90, 45,730.53 and 21,803.43

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Solution

The fourth proportional to 33,132.90, 45,730.53 and 21,803.43 is: 30,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.90 : 45,730.53 = 21,803.43 : x
  2. Step 2: Convert to fraction form
    33,132.90/45,730.53 = 21,803.43/x
  3. Step 3: Cross multiply
    33,132.90x = 45,730.53 × 21,803.43
  4. Step 4: Simplify right side
    33,132.90x = 997,082,409.72
  5. Step 5: Solve for x
    x = 997,082,409.72/33,132.90
  6. Step 6: Final answer
    x = 30,093.42

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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.