Home / 49,890.72-74,848.14-18,303.24

Finding the Fourth Proportional to 49,890.72, 74,848.14 and 18,303.24

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Solution

The fourth proportional to 49,890.72, 74,848.14 and 18,303.24 is: 27,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,890.72 : 74,848.14 = 18,303.24 : x
  2. Step 2: Convert to fraction form
    49,890.72/74,848.14 = 18,303.24/x
  3. Step 3: Cross multiply
    49,890.72x = 74,848.14 × 18,303.24
  4. Step 4: Simplify right side
    49,890.72x = 1,369,963,469.97
  5. Step 5: Solve for x
    x = 1,369,963,469.97/49,890.72
  6. Step 6: Final answer
    x = 27,459.28

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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.