Home / 33,654.30-46,436.10-21,071.76

Finding the Fourth Proportional to 33,654.30, 46,436.10 and 21,071.76

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Solution

The fourth proportional to 33,654.30, 46,436.10 and 21,071.76 is: 29,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,654.30 : 46,436.10 = 21,071.76 : x
  2. Step 2: Convert to fraction form
    33,654.30/46,436.10 = 21,071.76/x
  3. Step 3: Cross multiply
    33,654.30x = 46,436.10 × 21,071.76
  4. Step 4: Simplify right side
    33,654.30x = 978,490,354.54
  5. Step 5: Solve for x
    x = 978,490,354.54/33,654.30
  6. Step 6: Final answer
    x = 29,074.75

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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.