Home / 51,821.87-71,514.48-29,161.24

Finding the Fourth Proportional to 51,821.87, 71,514.48 and 29,161.24

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Solution

The fourth proportional to 51,821.87, 71,514.48 and 29,161.24 is: 40,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,821.87 : 71,514.48 = 29,161.24 : x
  2. Step 2: Convert to fraction form
    51,821.87/71,514.48 = 29,161.24/x
  3. Step 3: Cross multiply
    51,821.87x = 71,514.48 × 29,161.24
  4. Step 4: Simplify right side
    51,821.87x = 2,085,450,557.18
  5. Step 5: Solve for x
    x = 2,085,450,557.18/51,821.87
  6. Step 6: Final answer
    x = 40,242.68

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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.