Home / 43,778.06-65,655.14-15,692.88

Finding the Fourth Proportional to 43,778.06, 65,655.14 and 15,692.88

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Solution

The fourth proportional to 43,778.06, 65,655.14 and 15,692.88 is: 23,535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,778.06 : 65,655.14 = 15,692.88 : x
  2. Step 2: Convert to fraction form
    43,778.06/65,655.14 = 15,692.88/x
  3. Step 3: Cross multiply
    43,778.06x = 65,655.14 × 15,692.88
  4. Step 4: Simplify right side
    43,778.06x = 1,030,318,154.94
  5. Step 5: Solve for x
    x = 1,030,318,154.94/43,778.06
  6. Step 6: Final answer
    x = 23,535.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.