Home / 38,498.09-57,749.20-12,204.88

Finding the Fourth Proportional to 38,498.09, 57,749.20 and 12,204.88

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Solution

The fourth proportional to 38,498.09, 57,749.20 and 12,204.88 is: 18,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,498.09 : 57,749.20 = 12,204.88 : x
  2. Step 2: Convert to fraction form
    38,498.09/57,749.20 = 12,204.88/x
  3. Step 3: Cross multiply
    38,498.09x = 57,749.20 × 12,204.88
  4. Step 4: Simplify right side
    38,498.09x = 704,822,056.10
  5. Step 5: Solve for x
    x = 704,822,056.10/38,498.09
  6. Step 6: Final answer
    x = 18,307.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.