Home / 32,738.24-45,145.68-19,992.80

Finding the Fourth Proportional to 32,738.24, 45,145.68 and 19,992.80

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Solution

The fourth proportional to 32,738.24, 45,145.68 and 19,992.80 is: 27,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,738.24 : 45,145.68 = 19,992.80 : x
  2. Step 2: Convert to fraction form
    32,738.24/45,145.68 = 19,992.80/x
  3. Step 3: Cross multiply
    32,738.24x = 45,145.68 × 19,992.80
  4. Step 4: Simplify right side
    32,738.24x = 902,588,551.10
  5. Step 5: Solve for x
    x = 902,588,551.10/32,738.24
  6. Step 6: Final answer
    x = 27,569.86

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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.