Home / 40,547.55-60,827.12-12,469.95

Finding the Fourth Proportional to 40,547.55, 60,827.12 and 12,469.95

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Solution

The fourth proportional to 40,547.55, 60,827.12 and 12,469.95 is: 18,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,547.55 : 60,827.12 = 12,469.95 : x
  2. Step 2: Convert to fraction form
    40,547.55/60,827.12 = 12,469.95/x
  3. Step 3: Cross multiply
    40,547.55x = 60,827.12 × 12,469.95
  4. Step 4: Simplify right side
    40,547.55x = 758,511,129.46
  5. Step 5: Solve for x
    x = 758,511,129.46/40,547.55
  6. Step 6: Final answer
    x = 18,706.71

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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.