Home / 33,308.88-45,957.72-19,874.64

Finding the Fourth Proportional to 33,308.88, 45,957.72 and 19,874.64

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Solution

The fourth proportional to 33,308.88, 45,957.72 and 19,874.64 is: 27,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,308.88 : 45,957.72 = 19,874.64 : x
  2. Step 2: Convert to fraction form
    33,308.88/45,957.72 = 19,874.64/x
  3. Step 3: Cross multiply
    33,308.88x = 45,957.72 × 19,874.64
  4. Step 4: Simplify right side
    33,308.88x = 913,393,140.22
  5. Step 5: Solve for x
    x = 913,393,140.22/33,308.88
  6. Step 6: Final answer
    x = 27,421.91

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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.