Home / 33,031.20-45,584.80-18,886.88

Finding the Fourth Proportional to 33,031.20, 45,584.80 and 18,886.88

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Solution

The fourth proportional to 33,031.20, 45,584.80 and 18,886.88 is: 26,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.20 : 45,584.80 = 18,886.88 : x
  2. Step 2: Convert to fraction form
    33,031.20/45,584.80 = 18,886.88/x
  3. Step 3: Cross multiply
    33,031.20x = 45,584.80 × 18,886.88
  4. Step 4: Simplify right side
    33,031.20x = 860,954,647.42
  5. Step 5: Solve for x
    x = 860,954,647.42/33,031.20
  6. Step 6: Final answer
    x = 26,064.89

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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.