Home / 31,297.75-46,913.81-11,563.72

Finding the Fourth Proportional to 31,297.75, 46,913.81 and 11,563.72

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Solution

The fourth proportional to 31,297.75, 46,913.81 and 11,563.72 is: 17,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.75 : 46,913.81 = 11,563.72 : x
  2. Step 2: Convert to fraction form
    31,297.75/46,913.81 = 11,563.72/x
  3. Step 3: Cross multiply
    31,297.75x = 46,913.81 × 11,563.72
  4. Step 4: Simplify right side
    31,297.75x = 542,498,030.41
  5. Step 5: Solve for x
    x = 542,498,030.41/31,297.75
  6. Step 6: Final answer
    x = 17,333.45

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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.