Home / 55,609.08-76,739.94-30,115.02

Finding the Fourth Proportional to 55,609.08, 76,739.94 and 30,115.02

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Solution

The fourth proportional to 55,609.08, 76,739.94 and 30,115.02 is: 41,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609.08 : 76,739.94 = 30,115.02 : x
  2. Step 2: Convert to fraction form
    55,609.08/76,739.94 = 30,115.02/x
  3. Step 3: Cross multiply
    55,609.08x = 76,739.94 × 30,115.02
  4. Step 4: Simplify right side
    55,609.08x = 2,311,024,827.90
  5. Step 5: Solve for x
    x = 2,311,024,827.90/55,609.08
  6. Step 6: Final answer
    x = 41,558.41

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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.