Home / 53,633.44-80,430.96-18,563.68

Finding the Fourth Proportional to 53,633.44, 80,430.96 and 18,563.68

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Solution

The fourth proportional to 53,633.44, 80,430.96 and 18,563.68 is: 27,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,633.44 : 80,430.96 = 18,563.68 : x
  2. Step 2: Convert to fraction form
    53,633.44/80,430.96 = 18,563.68/x
  3. Step 3: Cross multiply
    53,633.44x = 80,430.96 × 18,563.68
  4. Step 4: Simplify right side
    53,633.44x = 1,493,094,603.53
  5. Step 5: Solve for x
    x = 1,493,094,603.53/53,633.44
  6. Step 6: Final answer
    x = 27,838.87

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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.