Home / 33,117.22-45,701.13-18,213.22

Finding the Fourth Proportional to 33,117.22, 45,701.13 and 18,213.22

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Solution

The fourth proportional to 33,117.22, 45,701.13 and 18,213.22 is: 25,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,117.22 : 45,701.13 = 18,213.22 : x
  2. Step 2: Convert to fraction form
    33,117.22/45,701.13 = 18,213.22/x
  3. Step 3: Cross multiply
    33,117.22x = 45,701.13 × 18,213.22
  4. Step 4: Simplify right side
    33,117.22x = 832,364,734.94
  5. Step 5: Solve for x
    x = 832,364,734.94/33,117.22
  6. Step 6: Final answer
    x = 25,133.90

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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.