Home / 39,632.02-54,692.62-21,726.63

Finding the Fourth Proportional to 39,632.02, 54,692.62 and 21,726.63

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Solution

The fourth proportional to 39,632.02, 54,692.62 and 21,726.63 is: 29,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,632.02 : 54,692.62 = 21,726.63 : x
  2. Step 2: Convert to fraction form
    39,632.02/54,692.62 = 21,726.63/x
  3. Step 3: Cross multiply
    39,632.02x = 54,692.62 × 21,726.63
  4. Step 4: Simplify right side
    39,632.02x = 1,188,286,264.15
  5. Step 5: Solve for x
    x = 1,188,286,264.15/39,632.02
  6. Step 6: Final answer
    x = 29,982.99

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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.