Home / 30,179.66-41,647.30-16,750.13

Finding the Fourth Proportional to 30,179.66, 41,647.30 and 16,750.13

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Solution

The fourth proportional to 30,179.66, 41,647.30 and 16,750.13 is: 23,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.66 : 41,647.30 = 16,750.13 : x
  2. Step 2: Convert to fraction form
    30,179.66/41,647.30 = 16,750.13/x
  3. Step 3: Cross multiply
    30,179.66x = 41,647.30 × 16,750.13
  4. Step 4: Simplify right side
    30,179.66x = 697,597,439.04
  5. Step 5: Solve for x
    x = 697,597,439.04/30,179.66
  6. Step 6: Final answer
    x = 23,114.82

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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.