Home / 39,900.27-54,732.27-39,069.81

Finding the Fourth Proportional to 39,900.27, 54,732.27 and 39,069.81

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Solution

The fourth proportional to 39,900.27, 54,732.27 and 39,069.81 is: 53,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,900.27 : 54,732.27 = 39,069.81 : x
  2. Step 2: Convert to fraction form
    39,900.27/54,732.27 = 39,069.81/x
  3. Step 3: Cross multiply
    39,900.27x = 54,732.27 × 39,069.81
  4. Step 4: Simplify right side
    39,900.27x = 2,138,379,389.77
  5. Step 5: Solve for x
    x = 2,138,379,389.77/39,900.27
  6. Step 6: Final answer
    x = 53,593.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.