Home / 34,504.39-51,756.78-13,742.47

Finding the Fourth Proportional to 34,504.39, 51,756.78 and 13,742.47

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Solution

The fourth proportional to 34,504.39, 51,756.78 and 13,742.47 is: 20,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,504.39 : 51,756.78 = 13,742.47 : x
  2. Step 2: Convert to fraction form
    34,504.39/51,756.78 = 13,742.47/x
  3. Step 3: Cross multiply
    34,504.39x = 51,756.78 × 13,742.47
  4. Step 4: Simplify right side
    34,504.39x = 711,265,996.45
  5. Step 5: Solve for x
    x = 711,265,996.45/34,504.39
  6. Step 6: Final answer
    x = 20,613.78

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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.