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Finding the Fourth Proportional to 45,809.73, 68,701.80 and 16,219.62

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Solution

The fourth proportional to 45,809.73, 68,701.80 and 16,219.62 is: 24,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809.73 : 68,701.80 = 16,219.62 : x
  2. Step 2: Convert to fraction form
    45,809.73/68,701.80 = 16,219.62/x
  3. Step 3: Cross multiply
    45,809.73x = 68,701.80 × 16,219.62
  4. Step 4: Simplify right side
    45,809.73x = 1,114,317,089.32
  5. Step 5: Solve for x
    x = 1,114,317,089.32/45,809.73
  6. Step 6: Final answer
    x = 24,324.90

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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.