Home / 31,170.83-46,745.30-14,527.76

Finding the Fourth Proportional to 31,170.83, 46,745.30 and 14,527.76

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Solution

The fourth proportional to 31,170.83, 46,745.30 and 14,527.76 is: 21,786.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.83 : 46,745.30 = 14,527.76 : x
  2. Step 2: Convert to fraction form
    31,170.83/46,745.30 = 14,527.76/x
  3. Step 3: Cross multiply
    31,170.83x = 46,745.30 × 14,527.76
  4. Step 4: Simplify right side
    31,170.83x = 679,104,302.12
  5. Step 5: Solve for x
    x = 679,104,302.12/31,170.83
  6. Step 6: Final answer
    x = 21,786.54

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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.