Home / 31,331.28-46,997.08-7,957.68

Finding the Fourth Proportional to 31,331.28, 46,997.08 and 7,957.68

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Solution

The fourth proportional to 31,331.28, 46,997.08 and 7,957.68 is: 11,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.28 : 46,997.08 = 7,957.68 : x
  2. Step 2: Convert to fraction form
    31,331.28/46,997.08 = 7,957.68/x
  3. Step 3: Cross multiply
    31,331.28x = 46,997.08 × 7,957.68
  4. Step 4: Simplify right side
    31,331.28x = 373,987,723.57
  5. Step 5: Solve for x
    x = 373,987,723.57/31,331.28
  6. Step 6: Final answer
    x = 11,936.56

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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.