Home / 33,153.25-45,719.07-21,212.23

Finding the Fourth Proportional to 33,153.25, 45,719.07 and 21,212.23

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Solution

The fourth proportional to 33,153.25, 45,719.07 and 21,212.23 is: 29,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153.25 : 45,719.07 = 21,212.23 : x
  2. Step 2: Convert to fraction form
    33,153.25/45,719.07 = 21,212.23/x
  3. Step 3: Cross multiply
    33,153.25x = 45,719.07 × 21,212.23
  4. Step 4: Simplify right side
    33,153.25x = 969,803,428.23
  5. Step 5: Solve for x
    x = 969,803,428.23/33,153.25
  6. Step 6: Final answer
    x = 29,252.14

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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.