Home / 53,379.21-73,664.82-29,508.09

Finding the Fourth Proportional to 53,379.21, 73,664.82 and 29,508.09

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Solution

The fourth proportional to 53,379.21, 73,664.82 and 29,508.09 is: 40,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,379.21 : 73,664.82 = 29,508.09 : x
  2. Step 2: Convert to fraction form
    53,379.21/73,664.82 = 29,508.09/x
  3. Step 3: Cross multiply
    53,379.21x = 73,664.82 × 29,508.09
  4. Step 4: Simplify right side
    53,379.21x = 2,173,708,138.39
  5. Step 5: Solve for x
    x = 2,173,708,138.39/53,379.21
  6. Step 6: Final answer
    x = 40,722.00

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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.