Home / 39,140.83-58,708.08-11,059.75

Finding the Fourth Proportional to 39,140.83, 58,708.08 and 11,059.75

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Solution

The fourth proportional to 39,140.83, 58,708.08 and 11,059.75 is: 16,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.83 : 58,708.08 = 11,059.75 : x
  2. Step 2: Convert to fraction form
    39,140.83/58,708.08 = 11,059.75/x
  3. Step 3: Cross multiply
    39,140.83x = 58,708.08 × 11,059.75
  4. Step 4: Simplify right side
    39,140.83x = 649,296,687.78
  5. Step 5: Solve for x
    x = 649,296,687.78/39,140.83
  6. Step 6: Final answer
    x = 16,588.73

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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.