Home / 30,524.10-45,771.84-11,812.97

Finding the Fourth Proportional to 30,524.10, 45,771.84 and 11,812.97

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Solution

The fourth proportional to 30,524.10, 45,771.84 and 11,812.97 is: 17,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,524.10 : 45,771.84 = 11,812.97 : x
  2. Step 2: Convert to fraction form
    30,524.10/45,771.84 = 11,812.97/x
  3. Step 3: Cross multiply
    30,524.10x = 45,771.84 × 11,812.97
  4. Step 4: Simplify right side
    30,524.10x = 540,701,143.91
  5. Step 5: Solve for x
    x = 540,701,143.91/30,524.10
  6. Step 6: Final answer
    x = 17,713.91

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1.5x scale

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.