Home / 31,208.29-46,817.43-10,146.70

Finding the Fourth Proportional to 31,208.29, 46,817.43 and 10,146.70

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Solution

The fourth proportional to 31,208.29, 46,817.43 and 10,146.70 is: 15,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,208.29 : 46,817.43 = 10,146.70 : x
  2. Step 2: Convert to fraction form
    31,208.29/46,817.43 = 10,146.70/x
  3. Step 3: Cross multiply
    31,208.29x = 46,817.43 × 10,146.70
  4. Step 4: Simplify right side
    31,208.29x = 475,042,437.45
  5. Step 5: Solve for x
    x = 475,042,437.45/31,208.29
  6. Step 6: Final answer
    x = 15,221.68

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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.