Home / 37,530.38-51,796.36-21,178.02

Finding the Fourth Proportional to 37,530.38, 51,796.36 and 21,178.02

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Solution

The fourth proportional to 37,530.38, 51,796.36 and 21,178.02 is: 29,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,530.38 : 51,796.36 = 21,178.02 : x
  2. Step 2: Convert to fraction form
    37,530.38/51,796.36 = 21,178.02/x
  3. Step 3: Cross multiply
    37,530.38x = 51,796.36 × 21,178.02
  4. Step 4: Simplify right side
    37,530.38x = 1,096,944,348.01
  5. Step 5: Solve for x
    x = 1,096,944,348.01/37,530.38
  6. Step 6: Final answer
    x = 29,228.17

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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.