Home / 39,164.22-54,046.69-21,259.24

Finding the Fourth Proportional to 39,164.22, 54,046.69 and 21,259.24

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Solution

The fourth proportional to 39,164.22, 54,046.69 and 21,259.24 is: 29,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,164.22 : 54,046.69 = 21,259.24 : x
  2. Step 2: Convert to fraction form
    39,164.22/54,046.69 = 21,259.24/x
  3. Step 3: Cross multiply
    39,164.22x = 54,046.69 × 21,259.24
  4. Step 4: Simplify right side
    39,164.22x = 1,148,991,283.68
  5. Step 5: Solve for x
    x = 1,148,991,283.68/39,164.22
  6. Step 6: Final answer
    x = 29,337.78

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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.