Home / 39,649.26-54,716.75-21,743.22

Finding the Fourth Proportional to 39,649.26, 54,716.75 and 21,743.22

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Solution

The fourth proportional to 39,649.26, 54,716.75 and 21,743.22 is: 30,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.26 : 54,716.75 = 21,743.22 : x
  2. Step 2: Convert to fraction form
    39,649.26/54,716.75 = 21,743.22/x
  3. Step 3: Cross multiply
    39,649.26x = 54,716.75 × 21,743.22
  4. Step 4: Simplify right side
    39,649.26x = 1,189,718,332.94
  5. Step 5: Solve for x
    x = 1,189,718,332.94/39,649.26
  6. Step 6: Final answer
    x = 30,006.07

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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.