Home / 33,422.08-46,121.14-19,985.40

Finding the Fourth Proportional to 33,422.08, 46,121.14 and 19,985.40

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Solution

The fourth proportional to 33,422.08, 46,121.14 and 19,985.40 is: 27,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.08 : 46,121.14 = 19,985.40 : x
  2. Step 2: Convert to fraction form
    33,422.08/46,121.14 = 19,985.40/x
  3. Step 3: Cross multiply
    33,422.08x = 46,121.14 × 19,985.40
  4. Step 4: Simplify right side
    33,422.08x = 921,749,431.36
  5. Step 5: Solve for x
    x = 921,749,431.36/33,422.08
  6. Step 6: Final answer
    x = 27,579.06

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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.