Home / 39,668.10-54,741.49-21,763.27

Finding the Fourth Proportional to 39,668.10, 54,741.49 and 21,763.27

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Solution

The fourth proportional to 39,668.10, 54,741.49 and 21,763.27 is: 30,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,668.10 : 54,741.49 = 21,763.27 : x
  2. Step 2: Convert to fraction form
    39,668.10/54,741.49 = 21,763.27/x
  3. Step 3: Cross multiply
    39,668.10x = 54,741.49 × 21,763.27
  4. Step 4: Simplify right side
    39,668.10x = 1,191,353,827.07
  5. Step 5: Solve for x
    x = 1,191,353,827.07/39,668.10
  6. Step 6: Final answer
    x = 30,033.04

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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.