Home / 50,991.04-76,440.48-18,151.36

Finding the Fourth Proportional to 50,991.04, 76,440.48 and 18,151.36

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Solution

The fourth proportional to 50,991.04, 76,440.48 and 18,151.36 is: 27,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.04 : 76,440.48 = 18,151.36 : x
  2. Step 2: Convert to fraction form
    50,991.04/76,440.48 = 18,151.36/x
  3. Step 3: Cross multiply
    50,991.04x = 76,440.48 × 18,151.36
  4. Step 4: Simplify right side
    50,991.04x = 1,387,498,671.05
  5. Step 5: Solve for x
    x = 1,387,498,671.05/50,991.04
  6. Step 6: Final answer
    x = 27,210.64

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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.