Home / 39,690.99-54,777.92-25,364.03

Finding the Fourth Proportional to 39,690.99, 54,777.92 and 25,364.03

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Solution

The fourth proportional to 39,690.99, 54,777.92 and 25,364.03 is: 35,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690.99 : 54,777.92 = 25,364.03 : x
  2. Step 2: Convert to fraction form
    39,690.99/54,777.92 = 25,364.03/x
  3. Step 3: Cross multiply
    39,690.99x = 54,777.92 × 25,364.03
  4. Step 4: Simplify right side
    39,690.99x = 1,389,388,405.51
  5. Step 5: Solve for x
    x = 1,389,388,405.51/39,690.99
  6. Step 6: Final answer
    x = 35,005.13

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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.