Home / 39,667.26-54,742.08-21,763.44

Finding the Fourth Proportional to 39,667.26, 54,742.08 and 21,763.44

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Solution

The fourth proportional to 39,667.26, 54,742.08 and 21,763.44 is: 30,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,667.26 : 54,742.08 = 21,763.44 : x
  2. Step 2: Convert to fraction form
    39,667.26/54,742.08 = 21,763.44/x
  3. Step 3: Cross multiply
    39,667.26x = 54,742.08 × 21,763.44
  4. Step 4: Simplify right side
    39,667.26x = 1,191,375,973.56
  5. Step 5: Solve for x
    x = 1,191,375,973.56/39,667.26
  6. Step 6: Final answer
    x = 30,034.24

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1.5x scale

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.