Home / 50,987.44-76,481-13,551.28

Finding the Fourth Proportional to 50,987.44, 76,481 and 13,551.28

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Solution

The fourth proportional to 50,987.44, 76,481 and 13,551.28 is: 20,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,987.44 : 76,481 = 13,551.28 : x
  2. Step 2: Convert to fraction form
    50,987.44/76,481 = 13,551.28/x
  3. Step 3: Cross multiply
    50,987.44x = 76,481 × 13,551.28
  4. Step 4: Simplify right side
    50,987.44x = 1,036,415,445.68
  5. Step 5: Solve for x
    x = 1,036,415,445.68/50,987.44
  6. Step 6: Final answer
    x = 20,326.88

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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.