Home / 39,592.47-54,635.49-21,684.09

Finding the Fourth Proportional to 39,592.47, 54,635.49 and 21,684.09

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Solution

The fourth proportional to 39,592.47, 54,635.49 and 21,684.09 is: 29,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,592.47 : 54,635.49 = 21,684.09 : x
  2. Step 2: Convert to fraction form
    39,592.47/54,635.49 = 21,684.09/x
  3. Step 3: Cross multiply
    39,592.47x = 54,635.49 × 21,684.09
  4. Step 4: Simplify right side
    39,592.47x = 1,184,720,882.35
  5. Step 5: Solve for x
    x = 1,184,720,882.35/39,592.47
  6. Step 6: Final answer
    x = 29,922.88

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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.