Home / 33,146.10-45,748.20-18,806.22

Finding the Fourth Proportional to 33,146.10, 45,748.20 and 18,806.22

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Solution

The fourth proportional to 33,146.10, 45,748.20 and 18,806.22 is: 25,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,146.10 : 45,748.20 = 18,806.22 : x
  2. Step 2: Convert to fraction form
    33,146.10/45,748.20 = 18,806.22/x
  3. Step 3: Cross multiply
    33,146.10x = 45,748.20 × 18,806.22
  4. Step 4: Simplify right side
    33,146.10x = 860,350,713.80
  5. Step 5: Solve for x
    x = 860,350,713.80/33,146.10
  6. Step 6: Final answer
    x = 25,956.32

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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.