Home / 41,934.21-57,859.70-30,609.87

Finding the Fourth Proportional to 41,934.21, 57,859.70 and 30,609.87

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Solution

The fourth proportional to 41,934.21, 57,859.70 and 30,609.87 is: 42,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,934.21 : 57,859.70 = 30,609.87 : x
  2. Step 2: Convert to fraction form
    41,934.21/57,859.70 = 30,609.87/x
  3. Step 3: Cross multiply
    41,934.21x = 57,859.70 × 30,609.87
  4. Step 4: Simplify right side
    41,934.21x = 1,771,078,314.72
  5. Step 5: Solve for x
    x = 1,771,078,314.72/41,934.21
  6. Step 6: Final answer
    x = 42,234.69

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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.