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Finding the Fourth Proportional to 56,000.60, 84,015.30 and 20,940.44

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Solution

The fourth proportional to 56,000.60, 84,015.30 and 20,940.44 is: 31,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.60 : 84,015.30 = 20,940.44 : x
  2. Step 2: Convert to fraction form
    56,000.60/84,015.30 = 20,940.44/x
  3. Step 3: Cross multiply
    56,000.60x = 84,015.30 × 20,940.44
  4. Step 4: Simplify right side
    56,000.60x = 1,759,317,348.73
  5. Step 5: Solve for x
    x = 1,759,317,348.73/56,000.60
  6. Step 6: Final answer
    x = 31,416.04

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1.5x scale

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.