Home / 31,297.28-46,944.71-12,571.70

Finding the Fourth Proportional to 31,297.28, 46,944.71 and 12,571.70

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Solution

The fourth proportional to 31,297.28, 46,944.71 and 12,571.70 is: 18,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.28 : 46,944.71 = 12,571.70 : x
  2. Step 2: Convert to fraction form
    31,297.28/46,944.71 = 12,571.70/x
  3. Step 3: Cross multiply
    31,297.28x = 46,944.71 × 12,571.70
  4. Step 4: Simplify right side
    31,297.28x = 590,174,747.85
  5. Step 5: Solve for x
    x = 590,174,747.85/31,297.28
  6. Step 6: Final answer
    x = 18,857.06

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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.