Home / 48,860.55-73,325.82-20,800.28

Finding the Fourth Proportional to 48,860.55, 73,325.82 and 20,800.28

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Solution

The fourth proportional to 48,860.55, 73,325.82 and 20,800.28 is: 31,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,860.55 : 73,325.82 = 20,800.28 : x
  2. Step 2: Convert to fraction form
    48,860.55/73,325.82 = 20,800.28/x
  3. Step 3: Cross multiply
    48,860.55x = 73,325.82 × 20,800.28
  4. Step 4: Simplify right side
    48,860.55x = 1,525,197,587.23
  5. Step 5: Solve for x
    x = 1,525,197,587.23/48,860.55
  6. Step 6: Final answer
    x = 31,215.32

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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.