Home / 39,811.60-54,957.03-28,333.95

Finding the Fourth Proportional to 39,811.60, 54,957.03 and 28,333.95

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Solution

The fourth proportional to 39,811.60, 54,957.03 and 28,333.95 is: 39,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.60 : 54,957.03 = 28,333.95 : x
  2. Step 2: Convert to fraction form
    39,811.60/54,957.03 = 28,333.95/x
  3. Step 3: Cross multiply
    39,811.60x = 54,957.03 × 28,333.95
  4. Step 4: Simplify right side
    39,811.60x = 1,557,149,896.34
  5. Step 5: Solve for x
    x = 1,557,149,896.34/39,811.60
  6. Step 6: Final answer
    x = 39,112.97

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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.