Home / 33,139.16-45,733.64-18,992.04

Finding the Fourth Proportional to 33,139.16, 45,733.64 and 18,992.04

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Solution

The fourth proportional to 33,139.16, 45,733.64 and 18,992.04 is: 26,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.16 : 45,733.64 = 18,992.04 : x
  2. Step 2: Convert to fraction form
    33,139.16/45,733.64 = 18,992.04/x
  3. Step 3: Cross multiply
    33,139.16x = 45,733.64 × 18,992.04
  4. Step 4: Simplify right side
    33,139.16x = 868,575,025.27
  5. Step 5: Solve for x
    x = 868,575,025.27/33,139.16
  6. Step 6: Final answer
    x = 26,209.93

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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.