Home / 55,597.08-76,723.42-30,102.80

Finding the Fourth Proportional to 55,597.08, 76,723.42 and 30,102.80

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Solution

The fourth proportional to 55,597.08, 76,723.42 and 30,102.80 is: 41,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,597.08 : 76,723.42 = 30,102.80 : x
  2. Step 2: Convert to fraction form
    55,597.08/76,723.42 = 30,102.80/x
  3. Step 3: Cross multiply
    55,597.08x = 76,723.42 × 30,102.80
  4. Step 4: Simplify right side
    55,597.08x = 2,309,589,767.58
  5. Step 5: Solve for x
    x = 2,309,589,767.58/55,597.08
  6. Step 6: Final answer
    x = 41,541.57

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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.