Home / 56,480.28-84,715.82-19,039.54

Finding the Fourth Proportional to 56,480.28, 84,715.82 and 19,039.54

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Solution

The fourth proportional to 56,480.28, 84,715.82 and 19,039.54 is: 28,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,480.28 : 84,715.82 = 19,039.54 : x
  2. Step 2: Convert to fraction form
    56,480.28/84,715.82 = 19,039.54/x
  3. Step 3: Cross multiply
    56,480.28x = 84,715.82 × 19,039.54
  4. Step 4: Simplify right side
    56,480.28x = 1,612,950,243.52
  5. Step 5: Solve for x
    x = 1,612,950,243.52/56,480.28
  6. Step 6: Final answer
    x = 28,557.76

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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.