Home / 49,339.06-74,013.26-13,800.38

Finding the Fourth Proportional to 49,339.06, 74,013.26 and 13,800.38

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Solution

The fourth proportional to 49,339.06, 74,013.26 and 13,800.38 is: 20,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,339.06 : 74,013.26 = 13,800.38 : x
  2. Step 2: Convert to fraction form
    49,339.06/74,013.26 = 13,800.38/x
  3. Step 3: Cross multiply
    49,339.06x = 74,013.26 × 13,800.38
  4. Step 4: Simplify right side
    49,339.06x = 1,021,411,044.04
  5. Step 5: Solve for x
    x = 1,021,411,044.04/49,339.06
  6. Step 6: Final answer
    x = 20,701.88

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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.