Home / 53,249.27-79,915.21-19,999.58

Finding the Fourth Proportional to 53,249.27, 79,915.21 and 19,999.58

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Solution

The fourth proportional to 53,249.27, 79,915.21 and 19,999.58 is: 30,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,249.27 : 79,915.21 = 19,999.58 : x
  2. Step 2: Convert to fraction form
    53,249.27/79,915.21 = 19,999.58/x
  3. Step 3: Cross multiply
    53,249.27x = 79,915.21 × 19,999.58
  4. Step 4: Simplify right side
    53,249.27x = 1,598,270,186.04
  5. Step 5: Solve for x
    x = 1,598,270,186.04/53,249.27
  6. Step 6: Final answer
    x = 30,014.88

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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.