Home / 39,632.24-54,692.56-21,726.88

Finding the Fourth Proportional to 39,632.24, 54,692.56 and 21,726.88

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Solution

The fourth proportional to 39,632.24, 54,692.56 and 21,726.88 is: 29,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,632.24 : 54,692.56 = 21,726.88 : x
  2. Step 2: Convert to fraction form
    39,632.24/54,692.56 = 21,726.88/x
  3. Step 3: Cross multiply
    39,632.24x = 54,692.56 × 21,726.88
  4. Step 4: Simplify right side
    39,632.24x = 1,188,298,688.01
  5. Step 5: Solve for x
    x = 1,188,298,688.01/39,632.24
  6. Step 6: Final answer
    x = 29,983.13

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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.