Home / 49,530.72-74,318.04-20,006.22

Finding the Fourth Proportional to 49,530.72, 74,318.04 and 20,006.22

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Solution

The fourth proportional to 49,530.72, 74,318.04 and 20,006.22 is: 30,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,530.72 : 74,318.04 = 20,006.22 : x
  2. Step 2: Convert to fraction form
    49,530.72/74,318.04 = 20,006.22/x
  3. Step 3: Cross multiply
    49,530.72x = 74,318.04 × 20,006.22
  4. Step 4: Simplify right side
    49,530.72x = 1,486,823,058.21
  5. Step 5: Solve for x
    x = 1,486,823,058.21/49,530.72
  6. Step 6: Final answer
    x = 30,018.20

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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.