Home / 30,529.35-45,810.99-16,489.08

Finding the Fourth Proportional to 30,529.35, 45,810.99 and 16,489.08

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Solution

The fourth proportional to 30,529.35, 45,810.99 and 16,489.08 is: 24,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.35 : 45,810.99 = 16,489.08 : x
  2. Step 2: Convert to fraction form
    30,529.35/45,810.99 = 16,489.08/x
  3. Step 3: Cross multiply
    30,529.35x = 45,810.99 × 16,489.08
  4. Step 4: Simplify right side
    30,529.35x = 755,381,078.99
  5. Step 5: Solve for x
    x = 755,381,078.99/30,529.35
  6. Step 6: Final answer
    x = 24,742.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.