Home / 39,907.06-59,858.43-12,205.06

Finding the Fourth Proportional to 39,907.06, 59,858.43 and 12,205.06

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Solution

The fourth proportional to 39,907.06, 59,858.43 and 12,205.06 is: 18,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.06 : 59,858.43 = 12,205.06 : x
  2. Step 2: Convert to fraction form
    39,907.06/59,858.43 = 12,205.06/x
  3. Step 3: Cross multiply
    39,907.06x = 59,858.43 × 12,205.06
  4. Step 4: Simplify right side
    39,907.06x = 730,575,729.66
  5. Step 5: Solve for x
    x = 730,575,729.66/39,907.06
  6. Step 6: Final answer
    x = 18,306.93

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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.