Home / 55,178.83-82,709.01-21,852.60

Finding the Fourth Proportional to 55,178.83, 82,709.01 and 21,852.60

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Solution

The fourth proportional to 55,178.83, 82,709.01 and 21,852.60 is: 32,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.83 : 82,709.01 = 21,852.60 : x
  2. Step 2: Convert to fraction form
    55,178.83/82,709.01 = 21,852.60/x
  3. Step 3: Cross multiply
    55,178.83x = 82,709.01 × 21,852.60
  4. Step 4: Simplify right side
    55,178.83x = 1,807,406,601.77
  5. Step 5: Solve for x
    x = 1,807,406,601.77/55,178.83
  6. Step 6: Final answer
    x = 32,755.43

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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.