Home / 57,198.04-85,793.29-19,758.65

Finding the Fourth Proportional to 57,198.04, 85,793.29 and 19,758.65

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Solution

The fourth proportional to 57,198.04, 85,793.29 and 19,758.65 is: 29,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,198.04 : 85,793.29 = 19,758.65 : x
  2. Step 2: Convert to fraction form
    57,198.04/85,793.29 = 19,758.65/x
  3. Step 3: Cross multiply
    57,198.04x = 85,793.29 × 19,758.65
  4. Step 4: Simplify right side
    57,198.04x = 1,695,159,589.46
  5. Step 5: Solve for x
    x = 1,695,159,589.46/57,198.04
  6. Step 6: Final answer
    x = 29,636.67

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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.