Home / 52,172.32-71,996.88-29,815.84

Finding the Fourth Proportional to 52,172.32, 71,996.88 and 29,815.84

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Solution

The fourth proportional to 52,172.32, 71,996.88 and 29,815.84 is: 41,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,172.32 : 71,996.88 = 29,815.84 : x
  2. Step 2: Convert to fraction form
    52,172.32/71,996.88 = 29,815.84/x
  3. Step 3: Cross multiply
    52,172.32x = 71,996.88 × 29,815.84
  4. Step 4: Simplify right side
    52,172.32x = 2,146,647,454.58
  5. Step 5: Solve for x
    x = 2,146,647,454.58/52,172.32
  6. Step 6: Final answer
    x = 41,145.33

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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.