Home / 48,130.76-72,208.44-18,540.66

Finding the Fourth Proportional to 48,130.76, 72,208.44 and 18,540.66

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Solution

The fourth proportional to 48,130.76, 72,208.44 and 18,540.66 is: 27,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,130.76 : 72,208.44 = 18,540.66 : x
  2. Step 2: Convert to fraction form
    48,130.76/72,208.44 = 18,540.66/x
  3. Step 3: Cross multiply
    48,130.76x = 72,208.44 × 18,540.66
  4. Step 4: Simplify right side
    48,130.76x = 1,338,792,135.17
  5. Step 5: Solve for x
    x = 1,338,792,135.17/48,130.76
  6. Step 6: Final answer
    x = 27,815.73

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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.