Home / 50,531.56-75,764.94-20,969.80

Finding the Fourth Proportional to 50,531.56, 75,764.94 and 20,969.80

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Solution

The fourth proportional to 50,531.56, 75,764.94 and 20,969.80 is: 31,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,531.56 : 75,764.94 = 20,969.80 : x
  2. Step 2: Convert to fraction form
    50,531.56/75,764.94 = 20,969.80/x
  3. Step 3: Cross multiply
    50,531.56x = 75,764.94 × 20,969.80
  4. Step 4: Simplify right side
    50,531.56x = 1,588,775,638.81
  5. Step 5: Solve for x
    x = 1,588,775,638.81/50,531.56
  6. Step 6: Final answer
    x = 31,441.25

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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.