Home / 53,997.92-81,024.21-36,430.85

Finding the Fourth Proportional to 53,997.92, 81,024.21 and 36,430.85

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Solution

The fourth proportional to 53,997.92, 81,024.21 and 36,430.85 is: 54,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,997.92 : 81,024.21 = 36,430.85 : x
  2. Step 2: Convert to fraction form
    53,997.92/81,024.21 = 36,430.85/x
  3. Step 3: Cross multiply
    53,997.92x = 81,024.21 × 36,430.85
  4. Step 4: Simplify right side
    53,997.92x = 2,951,780,435.76
  5. Step 5: Solve for x
    x = 2,951,780,435.76/53,997.92
  6. Step 6: Final answer
    x = 54,664.71

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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.