Home / 39,573.12-54,610.40-21,667.96

Finding the Fourth Proportional to 39,573.12, 54,610.40 and 21,667.96

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Solution

The fourth proportional to 39,573.12, 54,610.40 and 21,667.96 is: 29,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573.12 : 54,610.40 = 21,667.96 : x
  2. Step 2: Convert to fraction form
    39,573.12/54,610.40 = 21,667.96/x
  3. Step 3: Cross multiply
    39,573.12x = 54,610.40 × 21,667.96
  4. Step 4: Simplify right side
    39,573.12x = 1,183,295,962.78
  5. Step 5: Solve for x
    x = 1,183,295,962.78/39,573.12
  6. Step 6: Final answer
    x = 29,901.51

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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.