Home / 51,794.53-77,680.56-18,516.91

Finding the Fourth Proportional to 51,794.53, 77,680.56 and 18,516.91

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Solution

The fourth proportional to 51,794.53, 77,680.56 and 18,516.91 is: 27,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,794.53 : 77,680.56 = 18,516.91 : x
  2. Step 2: Convert to fraction form
    51,794.53/77,680.56 = 18,516.91/x
  3. Step 3: Cross multiply
    51,794.53x = 77,680.56 × 18,516.91
  4. Step 4: Simplify right side
    51,794.53x = 1,438,403,938.27
  5. Step 5: Solve for x
    x = 1,438,403,938.27/51,794.53
  6. Step 6: Final answer
    x = 27,771.35

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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.