Home / 33,418.08-46,085.04-19,987.20

Finding the Fourth Proportional to 33,418.08, 46,085.04 and 19,987.20

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Solution

The fourth proportional to 33,418.08, 46,085.04 and 19,987.20 is: 27,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,418.08 : 46,085.04 = 19,987.20 : x
  2. Step 2: Convert to fraction form
    33,418.08/46,085.04 = 19,987.20/x
  3. Step 3: Cross multiply
    33,418.08x = 46,085.04 × 19,987.20
  4. Step 4: Simplify right side
    33,418.08x = 921,110,911.49
  5. Step 5: Solve for x
    x = 921,110,911.49/33,418.08
  6. Step 6: Final answer
    x = 27,563.25

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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.