Home / 41,790.30-62,689.50-12,207.48

Finding the Fourth Proportional to 41,790.30, 62,689.50 and 12,207.48

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Solution

The fourth proportional to 41,790.30, 62,689.50 and 12,207.48 is: 18,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,790.30 : 62,689.50 = 12,207.48 : x
  2. Step 2: Convert to fraction form
    41,790.30/62,689.50 = 12,207.48/x
  3. Step 3: Cross multiply
    41,790.30x = 62,689.50 × 12,207.48
  4. Step 4: Simplify right side
    41,790.30x = 765,280,817.46
  5. Step 5: Solve for x
    x = 765,280,817.46/41,790.30
  6. Step 6: Final answer
    x = 18,312.40

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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.