Home / 55,235.60-82,808.04-21,941.36

Finding the Fourth Proportional to 55,235.60, 82,808.04 and 21,941.36

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Solution

The fourth proportional to 55,235.60, 82,808.04 and 21,941.36 is: 32,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.60 : 82,808.04 = 21,941.36 : x
  2. Step 2: Convert to fraction form
    55,235.60/82,808.04 = 21,941.36/x
  3. Step 3: Cross multiply
    55,235.60x = 82,808.04 × 21,941.36
  4. Step 4: Simplify right side
    55,235.60x = 1,816,921,016.53
  5. Step 5: Solve for x
    x = 1,816,921,016.53/55,235.60
  6. Step 6: Final answer
    x = 32,894.02

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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.