Home / 31,307.06-46,960.50-20,797.58

Finding the Fourth Proportional to 31,307.06, 46,960.50 and 20,797.58

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Solution

The fourth proportional to 31,307.06, 46,960.50 and 20,797.58 is: 31,196.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.06 : 46,960.50 = 20,797.58 : x
  2. Step 2: Convert to fraction form
    31,307.06/46,960.50 = 20,797.58/x
  3. Step 3: Cross multiply
    31,307.06x = 46,960.50 × 20,797.58
  4. Step 4: Simplify right side
    31,307.06x = 976,664,755.59
  5. Step 5: Solve for x
    x = 976,664,755.59/31,307.06
  6. Step 6: Final answer
    x = 31,196.31

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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.