Home / 49,360.84-74,020.88-18,961.38

Finding the Fourth Proportional to 49,360.84, 74,020.88 and 18,961.38

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Solution

The fourth proportional to 49,360.84, 74,020.88 and 18,961.38 is: 28,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,360.84 : 74,020.88 = 18,961.38 : x
  2. Step 2: Convert to fraction form
    49,360.84/74,020.88 = 18,961.38/x
  3. Step 3: Cross multiply
    49,360.84x = 74,020.88 × 18,961.38
  4. Step 4: Simplify right side
    49,360.84x = 1,403,538,033.61
  5. Step 5: Solve for x
    x = 1,403,538,033.61/49,360.84
  6. Step 6: Final answer
    x = 28,434.24

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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.