Home / 39,793.77-59,690.66-18,954.09

Finding the Fourth Proportional to 39,793.77, 59,690.66 and 18,954.09

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Solution

The fourth proportional to 39,793.77, 59,690.66 and 18,954.09 is: 28,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,793.77 : 59,690.66 = 18,954.09 : x
  2. Step 2: Convert to fraction form
    39,793.77/59,690.66 = 18,954.09/x
  3. Step 3: Cross multiply
    39,793.77x = 59,690.66 × 18,954.09
  4. Step 4: Simplify right side
    39,793.77x = 1,131,382,047.03
  5. Step 5: Solve for x
    x = 1,131,382,047.03/39,793.77
  6. Step 6: Final answer
    x = 28,431.14

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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.