Home / 41,146.80-61,670.74-18,929.56

Finding the Fourth Proportional to 41,146.80, 61,670.74 and 18,929.56

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Solution

The fourth proportional to 41,146.80, 61,670.74 and 18,929.56 is: 28,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,146.80 : 61,670.74 = 18,929.56 : x
  2. Step 2: Convert to fraction form
    41,146.80/61,670.74 = 18,929.56/x
  3. Step 3: Cross multiply
    41,146.80x = 61,670.74 × 18,929.56
  4. Step 4: Simplify right side
    41,146.80x = 1,167,399,973.07
  5. Step 5: Solve for x
    x = 1,167,399,973.07/41,146.80
  6. Step 6: Final answer
    x = 28,371.59

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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.