Home / 48,461.29-72,662.16-18,844.60

Finding the Fourth Proportional to 48,461.29, 72,662.16 and 18,844.60

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Solution

The fourth proportional to 48,461.29, 72,662.16 and 18,844.60 is: 28,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,461.29 : 72,662.16 = 18,844.60 : x
  2. Step 2: Convert to fraction form
    48,461.29/72,662.16 = 18,844.60/x
  3. Step 3: Cross multiply
    48,461.29x = 72,662.16 × 18,844.60
  4. Step 4: Simplify right side
    48,461.29x = 1,369,289,365.59
  5. Step 5: Solve for x
    x = 1,369,289,365.59/48,461.29
  6. Step 6: Final answer
    x = 28,255.32

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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.