Home / 49,665.24-74,550.90-20,102.40

Finding the Fourth Proportional to 49,665.24, 74,550.90 and 20,102.40

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Solution

The fourth proportional to 49,665.24, 74,550.90 and 20,102.40 is: 30,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,665.24 : 74,550.90 = 20,102.40 : x
  2. Step 2: Convert to fraction form
    49,665.24/74,550.90 = 20,102.40/x
  3. Step 3: Cross multiply
    49,665.24x = 74,550.90 × 20,102.40
  4. Step 4: Simplify right side
    49,665.24x = 1,498,652,012.16
  5. Step 5: Solve for x
    x = 1,498,652,012.16/49,665.24
  6. Step 6: Final answer
    x = 30,175.07

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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.