Home / 50,426.88-75,631.38-18,829.86

Finding the Fourth Proportional to 50,426.88, 75,631.38 and 18,829.86

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Solution

The fourth proportional to 50,426.88, 75,631.38 and 18,829.86 is: 28,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,426.88 : 75,631.38 = 18,829.86 : x
  2. Step 2: Convert to fraction form
    50,426.88/75,631.38 = 18,829.86/x
  3. Step 3: Cross multiply
    50,426.88x = 75,631.38 × 18,829.86
  4. Step 4: Simplify right side
    50,426.88x = 1,424,128,297.01
  5. Step 5: Solve for x
    x = 1,424,128,297.01/50,426.88
  6. Step 6: Final answer
    x = 28,241.45

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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.