Home / 31,190.87-46,781.45-11,464.74

Finding the Fourth Proportional to 31,190.87, 46,781.45 and 11,464.74

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Solution

The fourth proportional to 31,190.87, 46,781.45 and 11,464.74 is: 17,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.87 : 46,781.45 = 11,464.74 : x
  2. Step 2: Convert to fraction form
    31,190.87/46,781.45 = 11,464.74/x
  3. Step 3: Cross multiply
    31,190.87x = 46,781.45 × 11,464.74
  4. Step 4: Simplify right side
    31,190.87x = 536,337,146.74
  5. Step 5: Solve for x
    x = 536,337,146.74/31,190.87
  6. Step 6: Final answer
    x = 17,195.32

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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.