Home / 39,649.59-54,715.19-21,744.27

Finding the Fourth Proportional to 39,649.59, 54,715.19 and 21,744.27

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Solution

The fourth proportional to 39,649.59, 54,715.19 and 21,744.27 is: 30,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.59 : 54,715.19 = 21,744.27 : x
  2. Step 2: Convert to fraction form
    39,649.59/54,715.19 = 21,744.27/x
  3. Step 3: Cross multiply
    39,649.59x = 54,715.19 × 21,744.27
  4. Step 4: Simplify right side
    39,649.59x = 1,189,741,755.74
  5. Step 5: Solve for x
    x = 1,189,741,755.74/39,649.59
  6. Step 6: Final answer
    x = 30,006.41

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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.