Home / 30,123.43-41,570.45-16,694.92

Finding the Fourth Proportional to 30,123.43, 41,570.45 and 16,694.92

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Solution

The fourth proportional to 30,123.43, 41,570.45 and 16,694.92 is: 23,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.43 : 41,570.45 = 16,694.92 : x
  2. Step 2: Convert to fraction form
    30,123.43/41,570.45 = 16,694.92/x
  3. Step 3: Cross multiply
    30,123.43x = 41,570.45 × 16,694.92
  4. Step 4: Simplify right side
    30,123.43x = 694,015,337.11
  5. Step 5: Solve for x
    x = 694,015,337.11/30,123.43
  6. Step 6: Final answer
    x = 23,039.05

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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.