Home / 39,632.91-54,692.23-21,727.31

Finding the Fourth Proportional to 39,632.91, 54,692.23 and 21,727.31

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Solution

The fourth proportional to 39,632.91, 54,692.23 and 21,727.31 is: 29,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,632.91 : 54,692.23 = 21,727.31 : x
  2. Step 2: Convert to fraction form
    39,632.91/54,692.23 = 21,727.31/x
  3. Step 3: Cross multiply
    39,632.91x = 54,692.23 × 21,727.31
  4. Step 4: Simplify right side
    39,632.91x = 1,188,314,762.34
  5. Step 5: Solve for x
    x = 1,188,314,762.34/39,632.91
  6. Step 6: Final answer
    x = 29,983.03

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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.