Home / 33,215.22-45,835.65-18,107.55

Finding the Fourth Proportional to 33,215.22, 45,835.65 and 18,107.55

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Solution

The fourth proportional to 33,215.22, 45,835.65 and 18,107.55 is: 24,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.22 : 45,835.65 = 18,107.55 : x
  2. Step 2: Convert to fraction form
    33,215.22/45,835.65 = 18,107.55/x
  3. Step 3: Cross multiply
    33,215.22x = 45,835.65 × 18,107.55
  4. Step 4: Simplify right side
    33,215.22x = 829,971,324.16
  5. Step 5: Solve for x
    x = 829,971,324.16/33,215.22
  6. Step 6: Final answer
    x = 24,987.68

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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.