Home / 39,556.35-54,586.04-21,651.71

Finding the Fourth Proportional to 39,556.35, 54,586.04 and 21,651.71

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Solution

The fourth proportional to 39,556.35, 54,586.04 and 21,651.71 is: 29,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.35 : 54,586.04 = 21,651.71 : x
  2. Step 2: Convert to fraction form
    39,556.35/54,586.04 = 21,651.71/x
  3. Step 3: Cross multiply
    39,556.35x = 54,586.04 × 21,651.71
  4. Step 4: Simplify right side
    39,556.35x = 1,181,880,726.94
  5. Step 5: Solve for x
    x = 1,181,880,726.94/39,556.35
  6. Step 6: Final answer
    x = 29,878.41

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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.