Home / 39,441.28-54,431.18-21,537.95

Finding the Fourth Proportional to 39,441.28, 54,431.18 and 21,537.95

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Solution

The fourth proportional to 39,441.28, 54,431.18 and 21,537.95 is: 29,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,441.28 : 54,431.18 = 21,537.95 : x
  2. Step 2: Convert to fraction form
    39,441.28/54,431.18 = 21,537.95/x
  3. Step 3: Cross multiply
    39,441.28x = 54,431.18 × 21,537.95
  4. Step 4: Simplify right side
    39,441.28x = 1,172,336,033.28
  5. Step 5: Solve for x
    x = 1,172,336,033.28/39,441.28
  6. Step 6: Final answer
    x = 29,723.58

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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.