Home / 46,131-69,147.30-19,837.80

Finding the Fourth Proportional to 46,131, 69,147.30 and 19,837.80

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Solution

The fourth proportional to 46,131, 69,147.30 and 19,837.80 is: 29,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,131 : 69,147.30 = 19,837.80 : x
  2. Step 2: Convert to fraction form
    46,131/69,147.30 = 19,837.80/x
  3. Step 3: Cross multiply
    46,131x = 69,147.30 × 19,837.80
  4. Step 4: Simplify right side
    46,131x = 1,371,730,307.94
  5. Step 5: Solve for x
    x = 1,371,730,307.94/46,131
  6. Step 6: Final answer
    x = 29,735.54

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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.