Home / 31,286.82-46,935.36-10,220.75

Finding the Fourth Proportional to 31,286.82, 46,935.36 and 10,220.75

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Solution

The fourth proportional to 31,286.82, 46,935.36 and 10,220.75 is: 15,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286.82 : 46,935.36 = 10,220.75 : x
  2. Step 2: Convert to fraction form
    31,286.82/46,935.36 = 10,220.75/x
  3. Step 3: Cross multiply
    31,286.82x = 46,935.36 × 10,220.75
  4. Step 4: Simplify right side
    31,286.82x = 479,714,522.05
  5. Step 5: Solve for x
    x = 479,714,522.05/31,286.82
  6. Step 6: Final answer
    x = 15,332.80

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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.