Home / 49,731.46-74,596.45-12,291.53

Finding the Fourth Proportional to 49,731.46, 74,596.45 and 12,291.53

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Solution

The fourth proportional to 49,731.46, 74,596.45 and 12,291.53 is: 18,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,731.46 : 74,596.45 = 12,291.53 : x
  2. Step 2: Convert to fraction form
    49,731.46/74,596.45 = 12,291.53/x
  3. Step 3: Cross multiply
    49,731.46x = 74,596.45 × 12,291.53
  4. Step 4: Simplify right side
    49,731.46x = 916,904,786.38
  5. Step 5: Solve for x
    x = 916,904,786.38/49,731.46
  6. Step 6: Final answer
    x = 18,437.12

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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.