Home / 39,643.65-54,736.93-25,521.09

Finding the Fourth Proportional to 39,643.65, 54,736.93 and 25,521.09

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Solution

The fourth proportional to 39,643.65, 54,736.93 and 25,521.09 is: 35,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.65 : 54,736.93 = 25,521.09 : x
  2. Step 2: Convert to fraction form
    39,643.65/54,736.93 = 25,521.09/x
  3. Step 3: Cross multiply
    39,643.65x = 54,736.93 × 25,521.09
  4. Step 4: Simplify right side
    39,643.65x = 1,396,946,116.85
  5. Step 5: Solve for x
    x = 1,396,946,116.85/39,643.65
  6. Step 6: Final answer
    x = 35,237.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.