Home / 31,212.62-46,809.20-10,431.26

Finding the Fourth Proportional to 31,212.62, 46,809.20 and 10,431.26

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Solution

The fourth proportional to 31,212.62, 46,809.20 and 10,431.26 is: 15,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.62 : 46,809.20 = 10,431.26 : x
  2. Step 2: Convert to fraction form
    31,212.62/46,809.20 = 10,431.26/x
  3. Step 3: Cross multiply
    31,212.62x = 46,809.20 × 10,431.26
  4. Step 4: Simplify right side
    31,212.62x = 488,278,935.59
  5. Step 5: Solve for x
    x = 488,278,935.59/31,212.62
  6. Step 6: Final answer
    x = 15,643.64

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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.