Home / 53,696.74-80,522.55-20,398.42

Finding the Fourth Proportional to 53,696.74, 80,522.55 and 20,398.42

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Solution

The fourth proportional to 53,696.74, 80,522.55 and 20,398.42 is: 30,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,696.74 : 80,522.55 = 20,398.42 : x
  2. Step 2: Convert to fraction form
    53,696.74/80,522.55 = 20,398.42/x
  3. Step 3: Cross multiply
    53,696.74x = 80,522.55 × 20,398.42
  4. Step 4: Simplify right side
    53,696.74x = 1,642,532,794.37
  5. Step 5: Solve for x
    x = 1,642,532,794.37/53,696.74
  6. Step 6: Final answer
    x = 30,589.06

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1.5x scale

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.