Home / 33,008.73-45,547.97-21,079.05

Finding the Fourth Proportional to 33,008.73, 45,547.97 and 21,079.05

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Solution

The fourth proportional to 33,008.73, 45,547.97 and 21,079.05 is: 29,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,008.73 : 45,547.97 = 21,079.05 : x
  2. Step 2: Convert to fraction form
    33,008.73/45,547.97 = 21,079.05/x
  3. Step 3: Cross multiply
    33,008.73x = 45,547.97 × 21,079.05
  4. Step 4: Simplify right side
    33,008.73x = 960,107,831.63
  5. Step 5: Solve for x
    x = 960,107,831.63/33,008.73
  6. Step 6: Final answer
    x = 29,086.48

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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.