Home / 39,151.50-54,073.92-25,782.51

Finding the Fourth Proportional to 39,151.50, 54,073.92 and 25,782.51

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Solution

The fourth proportional to 39,151.50, 54,073.92 and 25,782.51 is: 35,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.50 : 54,073.92 = 25,782.51 : x
  2. Step 2: Convert to fraction form
    39,151.50/54,073.92 = 25,782.51/x
  3. Step 3: Cross multiply
    39,151.50x = 54,073.92 × 25,782.51
  4. Step 4: Simplify right side
    39,151.50x = 1,394,161,383.14
  5. Step 5: Solve for x
    x = 1,394,161,383.14/39,151.50
  6. Step 6: Final answer
    x = 35,609.40

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1.5x scale

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.