Home / 50,786.88-76,159.26-19,191.48

Finding the Fourth Proportional to 50,786.88, 76,159.26 and 19,191.48

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Solution

The fourth proportional to 50,786.88, 76,159.26 and 19,191.48 is: 28,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,786.88 : 76,159.26 = 19,191.48 : x
  2. Step 2: Convert to fraction form
    50,786.88/76,159.26 = 19,191.48/x
  3. Step 3: Cross multiply
    50,786.88x = 76,159.26 × 19,191.48
  4. Step 4: Simplify right side
    50,786.88x = 1,461,608,915.10
  5. Step 5: Solve for x
    x = 1,461,608,915.10/50,786.88
  6. Step 6: Final answer
    x = 28,779.26

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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.