Home / 45,659.11-63,049.71-28,692.85

Finding the Fourth Proportional to 45,659.11, 63,049.71 and 28,692.85

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Solution

The fourth proportional to 45,659.11, 63,049.71 and 28,692.85 is: 39,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,659.11 : 63,049.71 = 28,692.85 : x
  2. Step 2: Convert to fraction form
    45,659.11/63,049.71 = 28,692.85/x
  3. Step 3: Cross multiply
    45,659.11x = 63,049.71 × 28,692.85
  4. Step 4: Simplify right side
    45,659.11x = 1,809,075,871.57
  5. Step 5: Solve for x
    x = 1,809,075,871.57/45,659.11
  6. Step 6: Final answer
    x = 39,621.36

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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.