Home / 53,833.08-80,755.00-20,581.12

Finding the Fourth Proportional to 53,833.08, 80,755.00 and 20,581.12

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Solution

The fourth proportional to 53,833.08, 80,755.00 and 20,581.12 is: 30,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,833.08 : 80,755.00 = 20,581.12 : x
  2. Step 2: Convert to fraction form
    53,833.08/80,755.00 = 20,581.12/x
  3. Step 3: Cross multiply
    53,833.08x = 80,755.00 × 20,581.12
  4. Step 4: Simplify right side
    53,833.08x = 1,662,027,838.92
  5. Step 5: Solve for x
    x = 1,662,027,838.92/53,833.08
  6. Step 6: Final answer
    x = 30,873.73

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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.