Home / 30,604.32-45,920.52-18,149.04

Finding the Fourth Proportional to 30,604.32, 45,920.52 and 18,149.04

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Solution

The fourth proportional to 30,604.32, 45,920.52 and 18,149.04 is: 27,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.32 : 45,920.52 = 18,149.04 : x
  2. Step 2: Convert to fraction form
    30,604.32/45,920.52 = 18,149.04/x
  3. Step 3: Cross multiply
    30,604.32x = 45,920.52 × 18,149.04
  4. Step 4: Simplify right side
    30,604.32x = 833,413,354.30
  5. Step 5: Solve for x
    x = 833,413,354.30/30,604.32
  6. Step 6: Final answer
    x = 27,231.89

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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.