Home / 30,371.52-41,913.36-16,943.88

Finding the Fourth Proportional to 30,371.52, 41,913.36 and 16,943.88

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Solution

The fourth proportional to 30,371.52, 41,913.36 and 16,943.88 is: 23,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.52 : 41,913.36 = 16,943.88 : x
  2. Step 2: Convert to fraction form
    30,371.52/41,913.36 = 16,943.88/x
  3. Step 3: Cross multiply
    30,371.52x = 41,913.36 × 16,943.88
  4. Step 4: Simplify right side
    30,371.52x = 710,174,942.24
  5. Step 5: Solve for x
    x = 710,174,942.24/30,371.52
  6. Step 6: Final answer
    x = 23,382.92

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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.