Home / 32,709.26-45,139.87-18,371.61

Finding the Fourth Proportional to 32,709.26, 45,139.87 and 18,371.61

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Solution

The fourth proportional to 32,709.26, 45,139.87 and 18,371.61 is: 25,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.26 : 45,139.87 = 18,371.61 : x
  2. Step 2: Convert to fraction form
    32,709.26/45,139.87 = 18,371.61/x
  3. Step 3: Cross multiply
    32,709.26x = 45,139.87 × 18,371.61
  4. Step 4: Simplify right side
    32,709.26x = 829,292,244.88
  5. Step 5: Solve for x
    x = 829,292,244.88/32,709.26
  6. Step 6: Final answer
    x = 25,353.44

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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.