Home / 39,556.46-54,587.73-21,651.41

Finding the Fourth Proportional to 39,556.46, 54,587.73 and 21,651.41

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Solution

The fourth proportional to 39,556.46, 54,587.73 and 21,651.41 is: 29,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.46 : 54,587.73 = 21,651.41 : x
  2. Step 2: Convert to fraction form
    39,556.46/54,587.73 = 21,651.41/x
  3. Step 3: Cross multiply
    39,556.46x = 54,587.73 × 21,651.41
  4. Step 4: Simplify right side
    39,556.46x = 1,181,901,050.26
  5. Step 5: Solve for x
    x = 1,181,901,050.26/39,556.46
  6. Step 6: Final answer
    x = 29,878.84

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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.