Home / 49,439.10-74,143.50-17,845.31

Finding the Fourth Proportional to 49,439.10, 74,143.50 and 17,845.31

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Solution

The fourth proportional to 49,439.10, 74,143.50 and 17,845.31 is: 26,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,439.10 : 74,143.50 = 17,845.31 : x
  2. Step 2: Convert to fraction form
    49,439.10/74,143.50 = 17,845.31/x
  3. Step 3: Cross multiply
    49,439.10x = 74,143.50 × 17,845.31
  4. Step 4: Simplify right side
    49,439.10x = 1,323,113,371.27
  5. Step 5: Solve for x
    x = 1,323,113,371.27/49,439.10
  6. Step 6: Final answer
    x = 26,762.49

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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.