Home / 31,011.82-46,533.10-12,291.44

Finding the Fourth Proportional to 31,011.82, 46,533.10 and 12,291.44

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Solution

The fourth proportional to 31,011.82, 46,533.10 and 12,291.44 is: 18,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011.82 : 46,533.10 = 12,291.44 : x
  2. Step 2: Convert to fraction form
    31,011.82/46,533.10 = 12,291.44/x
  3. Step 3: Cross multiply
    31,011.82x = 46,533.10 × 12,291.44
  4. Step 4: Simplify right side
    31,011.82x = 571,958,806.66
  5. Step 5: Solve for x
    x = 571,958,806.66/31,011.82
  6. Step 6: Final answer
    x = 18,443.25

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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.