Home / 30,769.24-42,536.94-30,488.44

Finding the Fourth Proportional to 30,769.24, 42,536.94 and 30,488.44

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Solution

The fourth proportional to 30,769.24, 42,536.94 and 30,488.44 is: 42,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.24 : 42,536.94 = 30,488.44 : x
  2. Step 2: Convert to fraction form
    30,769.24/42,536.94 = 30,488.44/x
  3. Step 3: Cross multiply
    30,769.24x = 42,536.94 × 30,488.44
  4. Step 4: Simplify right side
    30,769.24x = 1,296,884,942.97
  5. Step 5: Solve for x
    x = 1,296,884,942.97/30,769.24
  6. Step 6: Final answer
    x = 42,148.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.