Home / 39,131.06-58,694.43-28,611.86

Finding the Fourth Proportional to 39,131.06, 58,694.43 and 28,611.86

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Solution

The fourth proportional to 39,131.06, 58,694.43 and 28,611.86 is: 42,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.06 : 58,694.43 = 28,611.86 : x
  2. Step 2: Convert to fraction form
    39,131.06/58,694.43 = 28,611.86/x
  3. Step 3: Cross multiply
    39,131.06x = 58,694.43 × 28,611.86
  4. Step 4: Simplify right side
    39,131.06x = 1,679,356,813.94
  5. Step 5: Solve for x
    x = 1,679,356,813.94/39,131.06
  6. Step 6: Final answer
    x = 42,916.21

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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.