Home / 31,146.41-46,691.83-11,420.38

Finding the Fourth Proportional to 31,146.41, 46,691.83 and 11,420.38

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Solution

The fourth proportional to 31,146.41, 46,691.83 and 11,420.38 is: 17,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.41 : 46,691.83 = 11,420.38 : x
  2. Step 2: Convert to fraction form
    31,146.41/46,691.83 = 11,420.38/x
  3. Step 3: Cross multiply
    31,146.41x = 46,691.83 × 11,420.38
  4. Step 4: Simplify right side
    31,146.41x = 533,238,441.50
  5. Step 5: Solve for x
    x = 533,238,441.50/31,146.41
  6. Step 6: Final answer
    x = 17,120.38

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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.