Home / 39,658.20-54,699.75-25,497.51

Finding the Fourth Proportional to 39,658.20, 54,699.75 and 25,497.51

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Solution

The fourth proportional to 39,658.20, 54,699.75 and 25,497.51 is: 35,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,658.20 : 54,699.75 = 25,497.51 : x
  2. Step 2: Convert to fraction form
    39,658.20/54,699.75 = 25,497.51/x
  3. Step 3: Cross multiply
    39,658.20x = 54,699.75 × 25,497.51
  4. Step 4: Simplify right side
    39,658.20x = 1,394,707,422.62
  5. Step 5: Solve for x
    x = 1,394,707,422.62/39,658.20
  6. Step 6: Final answer
    x = 35,168.20

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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.