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Finding the Fourth Proportional to 34,817.60, 48,046.62 and 18,901.88

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Solution

The fourth proportional to 34,817.60, 48,046.62 and 18,901.88 is: 26,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,817.60 : 48,046.62 = 18,901.88 : x
  2. Step 2: Convert to fraction form
    34,817.60/48,046.62 = 18,901.88/x
  3. Step 3: Cross multiply
    34,817.60x = 48,046.62 × 18,901.88
  4. Step 4: Simplify right side
    34,817.60x = 908,171,445.65
  5. Step 5: Solve for x
    x = 908,171,445.65/34,817.60
  6. Step 6: Final answer
    x = 26,083.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.