Home / 30,634.08-45,930.42-10,638.42

Finding the Fourth Proportional to 30,634.08, 45,930.42 and 10,638.42

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Solution

The fourth proportional to 30,634.08, 45,930.42 and 10,638.42 is: 15,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.08 : 45,930.42 = 10,638.42 : x
  2. Step 2: Convert to fraction form
    30,634.08/45,930.42 = 10,638.42/x
  3. Step 3: Cross multiply
    30,634.08x = 45,930.42 × 10,638.42
  4. Step 4: Simplify right side
    30,634.08x = 488,627,098.74
  5. Step 5: Solve for x
    x = 488,627,098.74/30,634.08
  6. Step 6: Final answer
    x = 15,950.44

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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.