Home / 30,906.90-46,368.67-15,905.85

Finding the Fourth Proportional to 30,906.90, 46,368.67 and 15,905.85

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Solution

The fourth proportional to 30,906.90, 46,368.67 and 15,905.85 is: 23,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.90 : 46,368.67 = 15,905.85 : x
  2. Step 2: Convert to fraction form
    30,906.90/46,368.67 = 15,905.85/x
  3. Step 3: Cross multiply
    30,906.90x = 46,368.67 × 15,905.85
  4. Step 4: Simplify right side
    30,906.90x = 737,532,877.88
  5. Step 5: Solve for x
    x = 737,532,877.88/30,906.90
  6. Step 6: Final answer
    x = 23,863.05

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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.