Home / 39,318.98-58,987.79-17,136.32

Finding the Fourth Proportional to 39,318.98, 58,987.79 and 17,136.32

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Solution

The fourth proportional to 39,318.98, 58,987.79 and 17,136.32 is: 25,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318.98 : 58,987.79 = 17,136.32 : x
  2. Step 2: Convert to fraction form
    39,318.98/58,987.79 = 17,136.32/x
  3. Step 3: Cross multiply
    39,318.98x = 58,987.79 × 17,136.32
  4. Step 4: Simplify right side
    39,318.98x = 1,010,833,559.85
  5. Step 5: Solve for x
    x = 1,010,833,559.85/39,318.98
  6. Step 6: Final answer
    x = 25,708.54

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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.