Home / 53,817.11-80,655.21-22,190.36

Finding the Fourth Proportional to 53,817.11, 80,655.21 and 22,190.36

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Solution

The fourth proportional to 53,817.11, 80,655.21 and 22,190.36 is: 33,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,817.11 : 80,655.21 = 22,190.36 : x
  2. Step 2: Convert to fraction form
    53,817.11/80,655.21 = 22,190.36/x
  3. Step 3: Cross multiply
    53,817.11x = 80,655.21 × 22,190.36
  4. Step 4: Simplify right side
    53,817.11x = 1,789,768,145.78
  5. Step 5: Solve for x
    x = 1,789,768,145.78/53,817.11
  6. Step 6: Final answer
    x = 33,256.49

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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.