Home / 34,256.40-51,346.20-14,531.60

Finding the Fourth Proportional to 34,256.40, 51,346.20 and 14,531.60

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Solution

The fourth proportional to 34,256.40, 51,346.20 and 14,531.60 is: 21,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,256.40 : 51,346.20 = 14,531.60 : x
  2. Step 2: Convert to fraction form
    34,256.40/51,346.20 = 14,531.60/x
  3. Step 3: Cross multiply
    34,256.40x = 51,346.20 × 14,531.60
  4. Step 4: Simplify right side
    34,256.40x = 746,142,439.92
  5. Step 5: Solve for x
    x = 746,142,439.92/34,256.40
  6. Step 6: Final answer
    x = 21,781.11

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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.