Home / 50,431.72-75,637.82-19,259.56

Finding the Fourth Proportional to 50,431.72, 75,637.82 and 19,259.56

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Solution

The fourth proportional to 50,431.72, 75,637.82 and 19,259.56 is: 28,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,431.72 : 75,637.82 = 19,259.56 : x
  2. Step 2: Convert to fraction form
    50,431.72/75,637.82 = 19,259.56/x
  3. Step 3: Cross multiply
    50,431.72x = 75,637.82 × 19,259.56
  4. Step 4: Simplify right side
    50,431.72x = 1,456,751,132.56
  5. Step 5: Solve for x
    x = 1,456,751,132.56/50,431.72
  6. Step 6: Final answer
    x = 28,885.61

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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.