Home / 31,210.97-46,816.46-13,677.17

Finding the Fourth Proportional to 31,210.97, 46,816.46 and 13,677.17

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Solution

The fourth proportional to 31,210.97, 46,816.46 and 13,677.17 is: 20,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.97 : 46,816.46 = 13,677.17 : x
  2. Step 2: Convert to fraction form
    31,210.97/46,816.46 = 13,677.17/x
  3. Step 3: Cross multiply
    31,210.97x = 46,816.46 × 13,677.17
  4. Step 4: Simplify right side
    31,210.97x = 640,316,613.83
  5. Step 5: Solve for x
    x = 640,316,613.83/31,210.97
  6. Step 6: Final answer
    x = 20,515.76

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Similar ratio
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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.