Home / 39,782.24-54,888.26-25,643.26

Finding the Fourth Proportional to 39,782.24, 54,888.26 and 25,643.26

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Solution

The fourth proportional to 39,782.24, 54,888.26 and 25,643.26 is: 35,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,782.24 : 54,888.26 = 25,643.26 : x
  2. Step 2: Convert to fraction form
    39,782.24/54,888.26 = 25,643.26/x
  3. Step 3: Cross multiply
    39,782.24x = 54,888.26 × 25,643.26
  4. Step 4: Simplify right side
    39,782.24x = 1,407,513,922.13
  5. Step 5: Solve for x
    x = 1,407,513,922.13/39,782.24
  6. Step 6: Final answer
    x = 35,380.46

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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.