Home / 55,458.05-83,177.96-19,912.01

Finding the Fourth Proportional to 55,458.05, 83,177.96 and 19,912.01

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Solution

The fourth proportional to 55,458.05, 83,177.96 and 19,912.01 is: 29,864.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,458.05 : 83,177.96 = 19,912.01 : x
  2. Step 2: Convert to fraction form
    55,458.05/83,177.96 = 19,912.01/x
  3. Step 3: Cross multiply
    55,458.05x = 83,177.96 × 19,912.01
  4. Step 4: Simplify right side
    55,458.05x = 1,656,239,855.85
  5. Step 5: Solve for x
    x = 1,656,239,855.85/55,458.05
  6. Step 6: Final answer
    x = 29,864.74

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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.