Home / 35,805.82-49,400.88-20,692.98

Finding the Fourth Proportional to 35,805.82, 49,400.88 and 20,692.98

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Solution

The fourth proportional to 35,805.82, 49,400.88 and 20,692.98 is: 28,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,805.82 : 49,400.88 = 20,692.98 : x
  2. Step 2: Convert to fraction form
    35,805.82/49,400.88 = 20,692.98/x
  3. Step 3: Cross multiply
    35,805.82x = 49,400.88 × 20,692.98
  4. Step 4: Simplify right side
    35,805.82x = 1,022,251,421.82
  5. Step 5: Solve for x
    x = 1,022,251,421.82/35,805.82
  6. Step 6: Final answer
    x = 28,549.87

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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.