Home / 33,565.12-46,320-20,997.04

Finding the Fourth Proportional to 33,565.12, 46,320 and 20,997.04

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Solution

The fourth proportional to 33,565.12, 46,320 and 20,997.04 is: 28,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,565.12 : 46,320 = 20,997.04 : x
  2. Step 2: Convert to fraction form
    33,565.12/46,320 = 20,997.04/x
  3. Step 3: Cross multiply
    33,565.12x = 46,320 × 20,997.04
  4. Step 4: Simplify right side
    33,565.12x = 972,582,892.80
  5. Step 5: Solve for x
    x = 972,582,892.80/33,565.12
  6. Step 6: Final answer
    x = 28,976.00

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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.