Home / 47,992.24-71,957.53-19,931.65

Finding the Fourth Proportional to 47,992.24, 71,957.53 and 19,931.65

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Solution

The fourth proportional to 47,992.24, 71,957.53 and 19,931.65 is: 29,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,992.24 : 71,957.53 = 19,931.65 : x
  2. Step 2: Convert to fraction form
    47,992.24/71,957.53 = 19,931.65/x
  3. Step 3: Cross multiply
    47,992.24x = 71,957.53 × 19,931.65
  4. Step 4: Simplify right side
    47,992.24x = 1,434,232,147.85
  5. Step 5: Solve for x
    x = 1,434,232,147.85/47,992.24
  6. Step 6: Final answer
    x = 29,884.67

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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.