Home / 33,033.48-45,624.08-21,753.42

Finding the Fourth Proportional to 33,033.48, 45,624.08 and 21,753.42

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Solution

The fourth proportional to 33,033.48, 45,624.08 and 21,753.42 is: 30,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,033.48 : 45,624.08 = 21,753.42 : x
  2. Step 2: Convert to fraction form
    33,033.48/45,624.08 = 21,753.42/x
  3. Step 3: Cross multiply
    33,033.48x = 45,624.08 × 21,753.42
  4. Step 4: Simplify right side
    33,033.48x = 992,479,665.59
  5. Step 5: Solve for x
    x = 992,479,665.59/33,033.48
  6. Step 6: Final answer
    x = 30,044.66

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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.