Home / 30,575.12-45,857.75-8,383.34

Finding the Fourth Proportional to 30,575.12, 45,857.75 and 8,383.34

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Solution

The fourth proportional to 30,575.12, 45,857.75 and 8,383.34 is: 12,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575.12 : 45,857.75 = 8,383.34 : x
  2. Step 2: Convert to fraction form
    30,575.12/45,857.75 = 8,383.34/x
  3. Step 3: Cross multiply
    30,575.12x = 45,857.75 × 8,383.34
  4. Step 4: Simplify right side
    30,575.12x = 384,441,109.89
  5. Step 5: Solve for x
    x = 384,441,109.89/30,575.12
  6. Step 6: Final answer
    x = 12,573.66

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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.