Home / 48,983.72-73,480.44-19,421.96

Finding the Fourth Proportional to 48,983.72, 73,480.44 and 19,421.96

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Solution

The fourth proportional to 48,983.72, 73,480.44 and 19,421.96 is: 29,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,983.72 : 73,480.44 = 19,421.96 : x
  2. Step 2: Convert to fraction form
    48,983.72/73,480.44 = 19,421.96/x
  3. Step 3: Cross multiply
    48,983.72x = 73,480.44 × 19,421.96
  4. Step 4: Simplify right side
    48,983.72x = 1,427,134,166.46
  5. Step 5: Solve for x
    x = 1,427,134,166.46/48,983.72
  6. Step 6: Final answer
    x = 29,134.87

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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.