Home / 76,628.30-114,951.66-25,338.69

Finding the Fourth Proportional to 76,628.30, 114,951.66 and 25,338.69

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Solution

The fourth proportional to 76,628.30, 114,951.66 and 25,338.69 is: 38,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628.30 : 114,951.66 = 25,338.69 : x
  2. Step 2: Convert to fraction form
    76,628.30/114,951.66 = 25,338.69/x
  3. Step 3: Cross multiply
    76,628.30x = 114,951.66 × 25,338.69
  4. Step 4: Simplify right side
    76,628.30x = 2,912,724,477.73
  5. Step 5: Solve for x
    x = 2,912,724,477.73/76,628.30
  6. Step 6: Final answer
    x = 38,011.08

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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.