Home / 53,753.46-80,631-18,694.32

Finding the Fourth Proportional to 53,753.46, 80,631 and 18,694.32

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Solution

The fourth proportional to 53,753.46, 80,631 and 18,694.32 is: 28,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,753.46 : 80,631 = 18,694.32 : x
  2. Step 2: Convert to fraction form
    53,753.46/80,631 = 18,694.32/x
  3. Step 3: Cross multiply
    53,753.46x = 80,631 × 18,694.32
  4. Step 4: Simplify right side
    53,753.46x = 1,507,341,715.92
  5. Step 5: Solve for x
    x = 1,507,341,715.92/53,753.46
  6. Step 6: Final answer
    x = 28,041.76

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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.