Home / 75,245.41-112,887.69-21,936.16

Finding the Fourth Proportional to 75,245.41, 112,887.69 and 21,936.16

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Solution

The fourth proportional to 75,245.41, 112,887.69 and 21,936.16 is: 32,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,245.41 : 112,887.69 = 21,936.16 : x
  2. Step 2: Convert to fraction form
    75,245.41/112,887.69 = 21,936.16/x
  3. Step 3: Cross multiply
    75,245.41x = 112,887.69 × 21,936.16
  4. Step 4: Simplify right side
    75,245.41x = 2,476,322,429.87
  5. Step 5: Solve for x
    x = 2,476,322,429.87/75,245.41
  6. Step 6: Final answer
    x = 32,909.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.