Home / 53,023.20-73,171-29,149.64

Finding the Fourth Proportional to 53,023.20, 73,171 and 29,149.64

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Solution

The fourth proportional to 53,023.20, 73,171 and 29,149.64 is: 40,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,023.20 : 73,171 = 29,149.64 : x
  2. Step 2: Convert to fraction form
    53,023.20/73,171 = 29,149.64/x
  3. Step 3: Cross multiply
    53,023.20x = 73,171 × 29,149.64
  4. Step 4: Simplify right side
    53,023.20x = 2,132,908,308.44
  5. Step 5: Solve for x
    x = 2,132,908,308.44/53,023.20
  6. Step 6: Final answer
    x = 40,225.94

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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.