Home / 53,837.11-80,763.05-18,288.88

Finding the Fourth Proportional to 53,837.11, 80,763.05 and 18,288.88

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Solution

The fourth proportional to 53,837.11, 80,763.05 and 18,288.88 is: 27,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,837.11 : 80,763.05 = 18,288.88 : x
  2. Step 2: Convert to fraction form
    53,837.11/80,763.05 = 18,288.88/x
  3. Step 3: Cross multiply
    53,837.11x = 80,763.05 × 18,288.88
  4. Step 4: Simplify right side
    53,837.11x = 1,477,065,638.44
  5. Step 5: Solve for x
    x = 1,477,065,638.44/53,837.11
  6. Step 6: Final answer
    x = 27,435.83

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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.