Home / 39,443.28-54,433.94-21,539.96

Finding the Fourth Proportional to 39,443.28, 54,433.94 and 21,539.96

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Solution

The fourth proportional to 39,443.28, 54,433.94 and 21,539.96 is: 29,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,443.28 : 54,433.94 = 21,539.96 : x
  2. Step 2: Convert to fraction form
    39,443.28/54,433.94 = 21,539.96/x
  3. Step 3: Cross multiply
    39,443.28x = 54,433.94 × 21,539.96
  4. Step 4: Simplify right side
    39,443.28x = 1,172,504,890.24
  5. Step 5: Solve for x
    x = 1,172,504,890.24/39,443.28
  6. Step 6: Final answer
    x = 29,726.35

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1.5x scale

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.