Home / 33,311.62-45,948.26-21,356.02

Finding the Fourth Proportional to 33,311.62, 45,948.26 and 21,356.02

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Solution

The fourth proportional to 33,311.62, 45,948.26 and 21,356.02 is: 29,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.62 : 45,948.26 = 21,356.02 : x
  2. Step 2: Convert to fraction form
    33,311.62/45,948.26 = 21,356.02/x
  3. Step 3: Cross multiply
    33,311.62x = 45,948.26 × 21,356.02
  4. Step 4: Simplify right side
    33,311.62x = 981,271,959.53
  5. Step 5: Solve for x
    x = 981,271,959.53/33,311.62
  6. Step 6: Final answer
    x = 29,457.35

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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.