Home / 39,112.46-58,662.75-12,816.62

Finding the Fourth Proportional to 39,112.46, 58,662.75 and 12,816.62

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Solution

The fourth proportional to 39,112.46, 58,662.75 and 12,816.62 is: 19,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.46 : 58,662.75 = 12,816.62 : x
  2. Step 2: Convert to fraction form
    39,112.46/58,662.75 = 12,816.62/x
  3. Step 3: Cross multiply
    39,112.46x = 58,662.75 × 12,816.62
  4. Step 4: Simplify right side
    39,112.46x = 751,858,174.91
  5. Step 5: Solve for x
    x = 751,858,174.91/39,112.46
  6. Step 6: Final answer
    x = 19,222.98

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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.