Home / 30,089.39-41,519.84-16,660.58

Finding the Fourth Proportional to 30,089.39, 41,519.84 and 16,660.58

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Solution

The fourth proportional to 30,089.39, 41,519.84 and 16,660.58 is: 22,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.39 : 41,519.84 = 16,660.58 : x
  2. Step 2: Convert to fraction form
    30,089.39/41,519.84 = 16,660.58/x
  3. Step 3: Cross multiply
    30,089.39x = 41,519.84 × 16,660.58
  4. Step 4: Simplify right side
    30,089.39x = 691,744,325.01
  5. Step 5: Solve for x
    x = 691,744,325.01/30,089.39
  6. Step 6: Final answer
    x = 22,989.65

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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.