Home / 54,874.38-82,307.48-19,814.07

Finding the Fourth Proportional to 54,874.38, 82,307.48 and 19,814.07

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Solution

The fourth proportional to 54,874.38, 82,307.48 and 19,814.07 is: 29,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,874.38 : 82,307.48 = 19,814.07 : x
  2. Step 2: Convert to fraction form
    54,874.38/82,307.48 = 19,814.07/x
  3. Step 3: Cross multiply
    54,874.38x = 82,307.48 × 19,814.07
  4. Step 4: Simplify right side
    54,874.38x = 1,630,846,170.24
  5. Step 5: Solve for x
    x = 1,630,846,170.24/54,874.38
  6. Step 6: Final answer
    x = 29,719.63

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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.