Home / 55,499.52-76,589.70-30,005.85

Finding the Fourth Proportional to 55,499.52, 76,589.70 and 30,005.85

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Solution

The fourth proportional to 55,499.52, 76,589.70 and 30,005.85 is: 41,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,499.52 : 76,589.70 = 30,005.85 : x
  2. Step 2: Convert to fraction form
    55,499.52/76,589.70 = 30,005.85/x
  3. Step 3: Cross multiply
    55,499.52x = 76,589.70 × 30,005.85
  4. Step 4: Simplify right side
    55,499.52x = 2,298,139,049.75
  5. Step 5: Solve for x
    x = 2,298,139,049.75/55,499.52
  6. Step 6: Final answer
    x = 41,408.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.