Home / 31,045.11-46,554.90-12,322.56

Finding the Fourth Proportional to 31,045.11, 46,554.90 and 12,322.56

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Solution

The fourth proportional to 31,045.11, 46,554.90 and 12,322.56 is: 18,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,045.11 : 46,554.90 = 12,322.56 : x
  2. Step 2: Convert to fraction form
    31,045.11/46,554.90 = 12,322.56/x
  3. Step 3: Cross multiply
    31,045.11x = 46,554.90 × 12,322.56
  4. Step 4: Simplify right side
    31,045.11x = 573,675,676.92
  5. Step 5: Solve for x
    x = 573,675,676.92/31,045.11
  6. Step 6: Final answer
    x = 18,478.78

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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.