Home / 33,345.54-45,980.19-21,404.34

Finding the Fourth Proportional to 33,345.54, 45,980.19 and 21,404.34

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Solution

The fourth proportional to 33,345.54, 45,980.19 and 21,404.34 is: 29,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,345.54 : 45,980.19 = 21,404.34 : x
  2. Step 2: Convert to fraction form
    33,345.54/45,980.19 = 21,404.34/x
  3. Step 3: Cross multiply
    33,345.54x = 45,980.19 × 21,404.34
  4. Step 4: Simplify right side
    33,345.54x = 984,175,620.02
  5. Step 5: Solve for x
    x = 984,175,620.02/33,345.54
  6. Step 6: Final answer
    x = 29,514.46

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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.