Home / 76,425.18-114,632.34-20,264.04

Finding the Fourth Proportional to 76,425.18, 114,632.34 and 20,264.04

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Solution

The fourth proportional to 76,425.18, 114,632.34 and 20,264.04 is: 30,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,425.18 : 114,632.34 = 20,264.04 : x
  2. Step 2: Convert to fraction form
    76,425.18/114,632.34 = 20,264.04/x
  3. Step 3: Cross multiply
    76,425.18x = 114,632.34 × 20,264.04
  4. Step 4: Simplify right side
    76,425.18x = 2,322,914,323.05
  5. Step 5: Solve for x
    x = 2,322,914,323.05/76,425.18
  6. Step 6: Final answer
    x = 30,394.62

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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.