Home / 45,818.55-68,706.26-17,751.75

Finding the Fourth Proportional to 45,818.55, 68,706.26 and 17,751.75

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Solution

The fourth proportional to 45,818.55, 68,706.26 and 17,751.75 is: 26,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,818.55 : 68,706.26 = 17,751.75 : x
  2. Step 2: Convert to fraction form
    45,818.55/68,706.26 = 17,751.75/x
  3. Step 3: Cross multiply
    45,818.55x = 68,706.26 × 17,751.75
  4. Step 4: Simplify right side
    45,818.55x = 1,219,656,004.55
  5. Step 5: Solve for x
    x = 1,219,656,004.55/45,818.55
  6. Step 6: Final answer
    x = 26,619.26

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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.