Home / 34,648.12-47,814.39-18,732.56

Finding the Fourth Proportional to 34,648.12, 47,814.39 and 18,732.56

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Solution

The fourth proportional to 34,648.12, 47,814.39 and 18,732.56 is: 25,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,648.12 : 47,814.39 = 18,732.56 : x
  2. Step 2: Convert to fraction form
    34,648.12/47,814.39 = 18,732.56/x
  3. Step 3: Cross multiply
    34,648.12x = 47,814.39 × 18,732.56
  4. Step 4: Simplify right side
    34,648.12x = 895,686,049.07
  5. Step 5: Solve for x
    x = 895,686,049.07/34,648.12
  6. Step 6: Final answer
    x = 25,850.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.