Home / 47,516.42-71,274.63-15,920.65

Finding the Fourth Proportional to 47,516.42, 71,274.63 and 15,920.65

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Solution

The fourth proportional to 47,516.42, 71,274.63 and 15,920.65 is: 23,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,516.42 : 71,274.63 = 15,920.65 : x
  2. Step 2: Convert to fraction form
    47,516.42/71,274.63 = 15,920.65/x
  3. Step 3: Cross multiply
    47,516.42x = 71,274.63 × 15,920.65
  4. Step 4: Simplify right side
    47,516.42x = 1,134,738,586.91
  5. Step 5: Solve for x
    x = 1,134,738,586.91/47,516.42
  6. Step 6: Final answer
    x = 23,880.98

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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.