Home / 39,638.00-54,700.02-21,732.96

Finding the Fourth Proportional to 39,638.00, 54,700.02 and 21,732.96

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Solution

The fourth proportional to 39,638.00, 54,700.02 and 21,732.96 is: 29,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.00 : 54,700.02 = 21,732.96 : x
  2. Step 2: Convert to fraction form
    39,638.00/54,700.02 = 21,732.96/x
  3. Step 3: Cross multiply
    39,638.00x = 54,700.02 × 21,732.96
  4. Step 4: Simplify right side
    39,638.00x = 1,188,793,346.66
  5. Step 5: Solve for x
    x = 1,188,793,346.66/39,638.00
  6. Step 6: Final answer
    x = 29,991.26

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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.