Home / 30,382.94-41,921.70-17,628.71

Finding the Fourth Proportional to 30,382.94, 41,921.70 and 17,628.71

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Solution

The fourth proportional to 30,382.94, 41,921.70 and 17,628.71 is: 24,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.94 : 41,921.70 = 17,628.71 : x
  2. Step 2: Convert to fraction form
    30,382.94/41,921.70 = 17,628.71/x
  3. Step 3: Cross multiply
    30,382.94x = 41,921.70 × 17,628.71
  4. Step 4: Simplify right side
    30,382.94x = 739,025,282.40
  5. Step 5: Solve for x
    x = 739,025,282.40/30,382.94
  6. Step 6: Final answer
    x = 24,323.70

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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.