Home / 31,109.60-46,649.82-11,374.36

Finding the Fourth Proportional to 31,109.60, 46,649.82 and 11,374.36

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Solution

The fourth proportional to 31,109.60, 46,649.82 and 11,374.36 is: 17,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109.60 : 46,649.82 = 11,374.36 : x
  2. Step 2: Convert to fraction form
    31,109.60/46,649.82 = 11,374.36/x
  3. Step 3: Cross multiply
    31,109.60x = 46,649.82 × 11,374.36
  4. Step 4: Simplify right side
    31,109.60x = 530,611,772.64
  5. Step 5: Solve for x
    x = 530,611,772.64/31,109.60
  6. Step 6: Final answer
    x = 17,056.21

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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.