Home / 55,765.27-76,955.11-30,614.59

Finding the Fourth Proportional to 55,765.27, 76,955.11 and 30,614.59

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Solution

The fourth proportional to 55,765.27, 76,955.11 and 30,614.59 is: 42,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,765.27 : 76,955.11 = 30,614.59 : x
  2. Step 2: Convert to fraction form
    55,765.27/76,955.11 = 30,614.59/x
  3. Step 3: Cross multiply
    55,765.27x = 76,955.11 × 30,614.59
  4. Step 4: Simplify right side
    55,765.27x = 2,355,949,141.05
  5. Step 5: Solve for x
    x = 2,355,949,141.05/55,765.27
  6. Step 6: Final answer
    x = 42,247.61

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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.