Home / 39,524.21-54,544.76-21,619.22

Finding the Fourth Proportional to 39,524.21, 54,544.76 and 21,619.22

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Solution

The fourth proportional to 39,524.21, 54,544.76 and 21,619.22 is: 29,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,524.21 : 54,544.76 = 21,619.22 : x
  2. Step 2: Convert to fraction form
    39,524.21/54,544.76 = 21,619.22/x
  3. Step 3: Cross multiply
    39,524.21x = 54,544.76 × 21,619.22
  4. Step 4: Simplify right side
    39,524.21x = 1,179,214,947.61
  5. Step 5: Solve for x
    x = 1,179,214,947.61/39,524.21
  6. Step 6: Final answer
    x = 29,835.25

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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.