Home / 38,556.57-53,211.26-21,562.21

Finding the Fourth Proportional to 38,556.57, 53,211.26 and 21,562.21

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Solution

The fourth proportional to 38,556.57, 53,211.26 and 21,562.21 is: 29,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,556.57 : 53,211.26 = 21,562.21 : x
  2. Step 2: Convert to fraction form
    38,556.57/53,211.26 = 21,562.21/x
  3. Step 3: Cross multiply
    38,556.57x = 53,211.26 × 21,562.21
  4. Step 4: Simplify right side
    38,556.57x = 1,147,352,482.90
  5. Step 5: Solve for x
    x = 1,147,352,482.90/38,556.57
  6. Step 6: Final answer
    x = 29,757.64

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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.