Home / 53,959.05-80,945.97-18,410.83

Finding the Fourth Proportional to 53,959.05, 80,945.97 and 18,410.83

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Solution

The fourth proportional to 53,959.05, 80,945.97 and 18,410.83 is: 27,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,959.05 : 80,945.97 = 18,410.83 : x
  2. Step 2: Convert to fraction form
    53,959.05/80,945.97 = 18,410.83/x
  3. Step 3: Cross multiply
    53,959.05x = 80,945.97 × 18,410.83
  4. Step 4: Simplify right side
    53,959.05x = 1,490,282,492.86
  5. Step 5: Solve for x
    x = 1,490,282,492.86/53,959.05
  6. Step 6: Final answer
    x = 27,618.77

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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.