Home / 39,930.09-59,907.62-11,850.29

Finding the Fourth Proportional to 39,930.09, 59,907.62 and 11,850.29

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Solution

The fourth proportional to 39,930.09, 59,907.62 and 11,850.29 is: 17,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.09 : 59,907.62 = 11,850.29 : x
  2. Step 2: Convert to fraction form
    39,930.09/59,907.62 = 11,850.29/x
  3. Step 3: Cross multiply
    39,930.09x = 59,907.62 × 11,850.29
  4. Step 4: Simplify right side
    39,930.09x = 709,922,311.42
  5. Step 5: Solve for x
    x = 709,922,311.42/39,930.09
  6. Step 6: Final answer
    x = 17,779.13

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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.