Home / 50,550.08-75,792.68-20,988.32

Finding the Fourth Proportional to 50,550.08, 75,792.68 and 20,988.32

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Solution

The fourth proportional to 50,550.08, 75,792.68 and 20,988.32 is: 31,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,550.08 : 75,792.68 = 20,988.32 : x
  2. Step 2: Convert to fraction form
    50,550.08/75,792.68 = 20,988.32/x
  3. Step 3: Cross multiply
    50,550.08x = 75,792.68 × 20,988.32
  4. Step 4: Simplify right side
    50,550.08x = 1,590,761,021.50
  5. Step 5: Solve for x
    x = 1,590,761,021.50/50,550.08
  6. Step 6: Final answer
    x = 31,469.01

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1.5x scale

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.