Home / 39,713.27-54,804.69-21,808.65

Finding the Fourth Proportional to 39,713.27, 54,804.69 and 21,808.65

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Solution

The fourth proportional to 39,713.27, 54,804.69 and 21,808.65 is: 30,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.27 : 54,804.69 = 21,808.65 : x
  2. Step 2: Convert to fraction form
    39,713.27/54,804.69 = 21,808.65/x
  3. Step 3: Cross multiply
    39,713.27x = 54,804.69 × 21,808.65
  4. Step 4: Simplify right side
    39,713.27x = 1,195,215,919.50
  5. Step 5: Solve for x
    x = 1,195,215,919.50/39,713.27
  6. Step 6: Final answer
    x = 30,096.14

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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.