Home / 31,251.74-46,883.88-11,530.40

Finding the Fourth Proportional to 31,251.74, 46,883.88 and 11,530.40

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Solution

The fourth proportional to 31,251.74, 46,883.88 and 11,530.40 is: 17,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,251.74 : 46,883.88 = 11,530.40 : x
  2. Step 2: Convert to fraction form
    31,251.74/46,883.88 = 11,530.40/x
  3. Step 3: Cross multiply
    31,251.74x = 46,883.88 × 11,530.40
  4. Step 4: Simplify right side
    31,251.74x = 540,589,889.95
  5. Step 5: Solve for x
    x = 540,589,889.95/31,251.74
  6. Step 6: Final answer
    x = 17,297.91

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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.