Home / 39,175.48-58,766.58-12,525.28

Finding the Fourth Proportional to 39,175.48, 58,766.58 and 12,525.28

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Solution

The fourth proportional to 39,175.48, 58,766.58 and 12,525.28 is: 18,788.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.48 : 58,766.58 = 12,525.28 : x
  2. Step 2: Convert to fraction form
    39,175.48/58,766.58 = 12,525.28/x
  3. Step 3: Cross multiply
    39,175.48x = 58,766.58 × 12,525.28
  4. Step 4: Simplify right side
    39,175.48x = 736,067,869.14
  5. Step 5: Solve for x
    x = 736,067,869.14/39,175.48
  6. Step 6: Final answer
    x = 18,788.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.