Home / 39,597.66-54,644.77-21,692.28

Finding the Fourth Proportional to 39,597.66, 54,644.77 and 21,692.28

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Solution

The fourth proportional to 39,597.66, 54,644.77 and 21,692.28 is: 29,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597.66 : 54,644.77 = 21,692.28 : x
  2. Step 2: Convert to fraction form
    39,597.66/54,644.77 = 21,692.28/x
  3. Step 3: Cross multiply
    39,597.66x = 54,644.77 × 21,692.28
  4. Step 4: Simplify right side
    39,597.66x = 1,185,369,651.38
  5. Step 5: Solve for x
    x = 1,185,369,651.38/39,597.66
  6. Step 6: Final answer
    x = 29,935.35

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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.