Home / 30,481.11-45,741.17-12,950.96

Finding the Fourth Proportional to 30,481.11, 45,741.17 and 12,950.96

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Solution

The fourth proportional to 30,481.11, 45,741.17 and 12,950.96 is: 19,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481.11 : 45,741.17 = 12,950.96 : x
  2. Step 2: Convert to fraction form
    30,481.11/45,741.17 = 12,950.96/x
  3. Step 3: Cross multiply
    30,481.11x = 45,741.17 × 12,950.96
  4. Step 4: Simplify right side
    30,481.11x = 592,391,866.69
  5. Step 5: Solve for x
    x = 592,391,866.69/30,481.11
  6. Step 6: Final answer
    x = 19,434.72

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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.