Home / 39,299.68-54,232.41-21,394.27

Finding the Fourth Proportional to 39,299.68, 54,232.41 and 21,394.27

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Solution

The fourth proportional to 39,299.68, 54,232.41 and 21,394.27 is: 29,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.68 : 54,232.41 = 21,394.27 : x
  2. Step 2: Convert to fraction form
    39,299.68/54,232.41 = 21,394.27/x
  3. Step 3: Cross multiply
    39,299.68x = 54,232.41 × 21,394.27
  4. Step 4: Simplify right side
    39,299.68x = 1,160,262,822.29
  5. Step 5: Solve for x
    x = 1,160,262,822.29/39,299.68
  6. Step 6: Final answer
    x = 29,523.47

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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.