Home / 53,451.96-73,771.49-30,786.54

Finding the Fourth Proportional to 53,451.96, 73,771.49 and 30,786.54

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Solution

The fourth proportional to 53,451.96, 73,771.49 and 30,786.54 is: 42,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,451.96 : 73,771.49 = 30,786.54 : x
  2. Step 2: Convert to fraction form
    53,451.96/73,771.49 = 30,786.54/x
  3. Step 3: Cross multiply
    53,451.96x = 73,771.49 × 30,786.54
  4. Step 4: Simplify right side
    53,451.96x = 2,271,168,927.74
  5. Step 5: Solve for x
    x = 2,271,168,927.74/53,451.96
  6. Step 6: Final answer
    x = 42,489.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.