Home / 30,179.39-41,646.78-16,750.25

Finding the Fourth Proportional to 30,179.39, 41,646.78 and 16,750.25

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Solution

The fourth proportional to 30,179.39, 41,646.78 and 16,750.25 is: 23,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.39 : 41,646.78 = 16,750.25 : x
  2. Step 2: Convert to fraction form
    30,179.39/41,646.78 = 16,750.25/x
  3. Step 3: Cross multiply
    30,179.39x = 41,646.78 × 16,750.25
  4. Step 4: Simplify right side
    30,179.39x = 697,593,976.70
  5. Step 5: Solve for x
    x = 697,593,976.70/30,179.39
  6. Step 6: Final answer
    x = 23,114.91

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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.