Home / 39,632.52-54,692.25-21,727.68

Finding the Fourth Proportional to 39,632.52, 54,692.25 and 21,727.68

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Solution

The fourth proportional to 39,632.52, 54,692.25 and 21,727.68 is: 29,983.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,632.52 : 54,692.25 = 21,727.68 : x
  2. Step 2: Convert to fraction form
    39,632.52/54,692.25 = 21,727.68/x
  3. Step 3: Cross multiply
    39,632.52x = 54,692.25 × 21,727.68
  4. Step 4: Simplify right side
    39,632.52x = 1,188,335,419.91
  5. Step 5: Solve for x
    x = 1,188,335,419.91/39,632.52
  6. Step 6: Final answer
    x = 29,983.84

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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.