Home / 20,432.08-30,650.52-7,286.32

Finding the Fourth Proportional to 20,432.08, 30,650.52 and 7,286.32

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Solution

The fourth proportional to 20,432.08, 30,650.52 and 7,286.32 is: 10,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432.08 : 30,650.52 = 7,286.32 : x
  2. Step 2: Convert to fraction form
    20,432.08/30,650.52 = 7,286.32/x
  3. Step 3: Cross multiply
    20,432.08x = 30,650.52 × 7,286.32
  4. Step 4: Simplify right side
    20,432.08x = 223,329,496.89
  5. Step 5: Solve for x
    x = 223,329,496.89/20,432.08
  6. Step 6: Final answer
    x = 10,930.34

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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.