Home / 31,140.72-46,650.60-27,650.16

Finding the Fourth Proportional to 31,140.72, 46,650.60 and 27,650.16

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Solution

The fourth proportional to 31,140.72, 46,650.60 and 27,650.16 is: 41,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,140.72 : 46,650.60 = 27,650.16 : x
  2. Step 2: Convert to fraction form
    31,140.72/46,650.60 = 27,650.16/x
  3. Step 3: Cross multiply
    31,140.72x = 46,650.60 × 27,650.16
  4. Step 4: Simplify right side
    31,140.72x = 1,289,896,554.10
  5. Step 5: Solve for x
    x = 1,289,896,554.10/31,140.72
  6. Step 6: Final answer
    x = 41,421.54

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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.