Home / 39,163.14-54,039.69-23,031.18

Finding the Fourth Proportional to 39,163.14, 54,039.69 and 23,031.18

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Solution

The fourth proportional to 39,163.14, 54,039.69 and 23,031.18 is: 31,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,163.14 : 54,039.69 = 23,031.18 : x
  2. Step 2: Convert to fraction form
    39,163.14/54,039.69 = 23,031.18/x
  3. Step 3: Cross multiply
    39,163.14x = 54,039.69 × 23,031.18
  4. Step 4: Simplify right side
    39,163.14x = 1,244,597,827.53
  5. Step 5: Solve for x
    x = 1,244,597,827.53/39,163.14
  6. Step 6: Final answer
    x = 31,779.83

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1.5x scale

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.