Home / 30,516.59-45,760.53-11,805.43

Finding the Fourth Proportional to 30,516.59, 45,760.53 and 11,805.43

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Solution

The fourth proportional to 30,516.59, 45,760.53 and 11,805.43 is: 17,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516.59 : 45,760.53 = 11,805.43 : x
  2. Step 2: Convert to fraction form
    30,516.59/45,760.53 = 11,805.43/x
  3. Step 3: Cross multiply
    30,516.59x = 45,760.53 × 11,805.43
  4. Step 4: Simplify right side
    30,516.59x = 540,222,733.68
  5. Step 5: Solve for x
    x = 540,222,733.68/30,516.59
  6. Step 6: Final answer
    x = 17,702.59

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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.