Home / 39,436.68-54,422.90-21,532.04

Finding the Fourth Proportional to 39,436.68, 54,422.90 and 21,532.04

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Solution

The fourth proportional to 39,436.68, 54,422.90 and 21,532.04 is: 29,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,436.68 : 54,422.90 = 21,532.04 : x
  2. Step 2: Convert to fraction form
    39,436.68/54,422.90 = 21,532.04/x
  3. Step 3: Cross multiply
    39,436.68x = 54,422.90 × 21,532.04
  4. Step 4: Simplify right side
    39,436.68x = 1,171,836,059.72
  5. Step 5: Solve for x
    x = 1,171,836,059.72/39,436.68
  6. Step 6: Final answer
    x = 29,714.37

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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.