Home / 33,722.78-46,537.44-18,615.45

Finding the Fourth Proportional to 33,722.78, 46,537.44 and 18,615.45

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Solution

The fourth proportional to 33,722.78, 46,537.44 and 18,615.45 is: 25,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,722.78 : 46,537.44 = 18,615.45 : x
  2. Step 2: Convert to fraction form
    33,722.78/46,537.44 = 18,615.45/x
  3. Step 3: Cross multiply
    33,722.78x = 46,537.44 × 18,615.45
  4. Step 4: Simplify right side
    33,722.78x = 866,315,387.45
  5. Step 5: Solve for x
    x = 866,315,387.45/33,722.78
  6. Step 6: Final answer
    x = 25,689.32

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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.