Home / 39,619.08-54,667.38-22,615.56

Finding the Fourth Proportional to 39,619.08, 54,667.38 and 22,615.56

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Solution

The fourth proportional to 39,619.08, 54,667.38 and 22,615.56 is: 31,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,619.08 : 54,667.38 = 22,615.56 : x
  2. Step 2: Convert to fraction form
    39,619.08/54,667.38 = 22,615.56/x
  3. Step 3: Cross multiply
    39,619.08x = 54,667.38 × 22,615.56
  4. Step 4: Simplify right side
    39,619.08x = 1,236,333,412.43
  5. Step 5: Solve for x
    x = 1,236,333,412.43/39,619.08
  6. Step 6: Final answer
    x = 31,205.51

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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.