Home / 30,123.92-41,570.41-16,694.90

Finding the Fourth Proportional to 30,123.92, 41,570.41 and 16,694.90

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Solution

The fourth proportional to 30,123.92, 41,570.41 and 16,694.90 is: 23,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.92 : 41,570.41 = 16,694.90 : x
  2. Step 2: Convert to fraction form
    30,123.92/41,570.41 = 16,694.90/x
  3. Step 3: Cross multiply
    30,123.92x = 41,570.41 × 16,694.90
  4. Step 4: Simplify right side
    30,123.92x = 694,013,837.91
  5. Step 5: Solve for x
    x = 694,013,837.91/30,123.92
  6. Step 6: Final answer
    x = 23,038.63

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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.