Home / 51,589.04-71,187.93-28,928.99

Finding the Fourth Proportional to 51,589.04, 71,187.93 and 28,928.99

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Solution

The fourth proportional to 51,589.04, 71,187.93 and 28,928.99 is: 39,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,589.04 : 71,187.93 = 28,928.99 : x
  2. Step 2: Convert to fraction form
    51,589.04/71,187.93 = 28,928.99/x
  3. Step 3: Cross multiply
    51,589.04x = 71,187.93 × 28,928.99
  4. Step 4: Simplify right side
    51,589.04x = 2,059,394,987.41
  5. Step 5: Solve for x
    x = 2,059,394,987.41/51,589.04
  6. Step 6: Final answer
    x = 39,919.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.