Home / 30,951.18-46,432.68-13,181.46

Finding the Fourth Proportional to 30,951.18, 46,432.68 and 13,181.46

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Solution

The fourth proportional to 30,951.18, 46,432.68 and 13,181.46 is: 19,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,951.18 : 46,432.68 = 13,181.46 : x
  2. Step 2: Convert to fraction form
    30,951.18/46,432.68 = 13,181.46/x
  3. Step 3: Cross multiply
    30,951.18x = 46,432.68 × 13,181.46
  4. Step 4: Simplify right side
    30,951.18x = 612,050,514.11
  5. Step 5: Solve for x
    x = 612,050,514.11/30,951.18
  6. Step 6: Final answer
    x = 19,774.71

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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.