Home / 33,820.01-46,642.98-20,388.32

Finding the Fourth Proportional to 33,820.01, 46,642.98 and 20,388.32

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Solution

The fourth proportional to 33,820.01, 46,642.98 and 20,388.32 is: 28,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.01 : 46,642.98 = 20,388.32 : x
  2. Step 2: Convert to fraction form
    33,820.01/46,642.98 = 20,388.32/x
  3. Step 3: Cross multiply
    33,820.01x = 46,642.98 × 20,388.32
  4. Step 4: Simplify right side
    33,820.01x = 950,972,118.60
  5. Step 5: Solve for x
    x = 950,972,118.60/33,820.01
  6. Step 6: Final answer
    x = 28,118.62

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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.