Home / 30,318.66-41,836.77-16,889.40

Finding the Fourth Proportional to 30,318.66, 41,836.77 and 16,889.40

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Solution

The fourth proportional to 30,318.66, 41,836.77 and 16,889.40 is: 23,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.66 : 41,836.77 = 16,889.40 : x
  2. Step 2: Convert to fraction form
    30,318.66/41,836.77 = 16,889.40/x
  3. Step 3: Cross multiply
    30,318.66x = 41,836.77 × 16,889.40
  4. Step 4: Simplify right side
    30,318.66x = 706,597,943.24
  5. Step 5: Solve for x
    x = 706,597,943.24/30,318.66
  6. Step 6: Final answer
    x = 23,305.71

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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.