Home / 38,554.80-57,836.96-18,818.44

Finding the Fourth Proportional to 38,554.80, 57,836.96 and 18,818.44

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Solution

The fourth proportional to 38,554.80, 57,836.96 and 18,818.44 is: 28,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,554.80 : 57,836.96 = 18,818.44 : x
  2. Step 2: Convert to fraction form
    38,554.80/57,836.96 = 18,818.44/x
  3. Step 3: Cross multiply
    38,554.80x = 57,836.96 × 18,818.44
  4. Step 4: Simplify right side
    38,554.80x = 1,088,401,193.43
  5. Step 5: Solve for x
    x = 1,088,401,193.43/38,554.80
  6. Step 6: Final answer
    x = 28,229.98

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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.