Home / 53,342.48-79,958.14-21,738.83

Finding the Fourth Proportional to 53,342.48, 79,958.14 and 21,738.83

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Solution

The fourth proportional to 53,342.48, 79,958.14 and 21,738.83 is: 32,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.48 : 79,958.14 = 21,738.83 : x
  2. Step 2: Convert to fraction form
    53,342.48/79,958.14 = 21,738.83/x
  3. Step 3: Cross multiply
    53,342.48x = 79,958.14 × 21,738.83
  4. Step 4: Simplify right side
    53,342.48x = 1,738,195,958.44
  5. Step 5: Solve for x
    x = 1,738,195,958.44/53,342.48
  6. Step 6: Final answer
    x = 32,585.58

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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.