Home / 76,228.48-114,350.40-20,824.96

Finding the Fourth Proportional to 76,228.48, 114,350.40 and 20,824.96

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Solution

The fourth proportional to 76,228.48, 114,350.40 and 20,824.96 is: 31,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,228.48 : 114,350.40 = 20,824.96 : x
  2. Step 2: Convert to fraction form
    76,228.48/114,350.40 = 20,824.96/x
  3. Step 3: Cross multiply
    76,228.48x = 114,350.40 × 20,824.96
  4. Step 4: Simplify right side
    76,228.48x = 2,381,342,505.98
  5. Step 5: Solve for x
    x = 2,381,342,505.98/76,228.48
  6. Step 6: Final answer
    x = 31,239.54

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1.5x scale

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.