Home / 39,427.28-59,163.96-18,668.24

Finding the Fourth Proportional to 39,427.28, 59,163.96 and 18,668.24

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Solution

The fourth proportional to 39,427.28, 59,163.96 and 18,668.24 is: 28,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427.28 : 59,163.96 = 18,668.24 : x
  2. Step 2: Convert to fraction form
    39,427.28/59,163.96 = 18,668.24/x
  3. Step 3: Cross multiply
    39,427.28x = 59,163.96 × 18,668.24
  4. Step 4: Simplify right side
    39,427.28x = 1,104,487,004.63
  5. Step 5: Solve for x
    x = 1,104,487,004.63/39,427.28
  6. Step 6: Final answer
    x = 28,013.27

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1.5x scale

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.